You’ll be amazed by the variety of waterproof Bluetooth speakers available for boats. In this post, we’ll show you ten great options. We’ve also included a handy buyer’s guide to help you make the right choice for your specific needs.
The 10 Best Waterproof Bluetooth Speakers for Boats
JBL Charge 4
The JBL Charge 4 is a well-rounded Bluetooth speaker that checks all the right boxes: room-filling sound with lots of basses, rugged durability, long battery life, and a price that offers solid value considering everything packed into this little device.
The JBL Charge 4 has an IPX7 waterproof rating, which allows it to stay underwater for 30 minutes at up to a 1-meter depth.
Because the JBL Charge 4 is part of the JBL Connect+ ecosystem, you can connect it to up to 100 more JBL Connect+ compatible speakers to create the ideal party atmosphere.
The channels on the Charge 4 are mono | Bluetooth: Yes | Physical Connection: 3.5mm/USB | Digital Assistant: None | Waterproof: IPX7.

- WIRELESS BLUETOOTH STREAMING: Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns enjoying powerful sound.
- UP TO 20 HOURS OF PLAYTIME: Built-in rechargeable Li-ion 7500mAH battery supports up to 20 hours of playtime and charges your device via USB port
- IPX7 WATERPROOF: Take Charge 4 to the beach or the pool without worrying about spills or even submersion in water
- JBLCONNECT plus Amplify your listening experience to epic levels and rock the party perfectly by wirelessly connecting more than 100 JBL Connect plus enabled speakers.
- DURABLE FABRIC AND RUGGED MATERIAL: The durable fabric material and rugged rubber housing allows your speaker to outlast all of your adventures
ECOXGEAR EcoTrek GDI-EXTRK210
The ECOXGEAR EcoTrek GDI-EXTRK210 is a portable outdoor speaker that can be submerged in water and will still work. It has an IPX7 rating, which means it can be submerged in water up to three feet for thirty minutes and still work. It has many features: the ability to charge your devices with a USB port.
The ECOXGEAR EcoTrek GDI-EXTRK210 has the ability to connect with any device, such as a phone, tablet, or laptop. It also has the ability to be controlled by voice with Siri and Google Assistant.
This speaker is perfect for those looking for a speaker that can be used indoors and outdoors. It is waterproof, shockproof, and dustproof and comes with remote control.

- 100% Waterproof and dustproof – meets IP67 international standards, no worries with rain, dirt or snow; Drop it in your pool, lake or ocean – no worries, it floats; Audio sources include Bluetooth, AM or FM or wired AUX-IN connection; Bluetooth 4.2 streaming range up to 100 feet away
- 100 watts at max output power drives a pair of 2.5-inch tweeters, 2 full range 5.25-inch speakers and dual 5.25-inch passive subwoofers for a balanced, stereo sound with crisp highs, clear vocals, warm midrange, and deep bass; ECOCONNECT compatible – pair two units together within 30-feet of each other for TrueWireless Sound (TWS)
- Consumer replaceable battery plays for 10+ hours at full volume; Up to 50+ hours on low volume or play all day on AC plug-in power; Battery fully re-charges in 7 hours; Connect to Siri or Ok Google via ECOTALK button
- Tune the audio output to match your listening preference with 6 preset EQ mode settings; Back-lit buttons and large LED display for night viewing; A fast 5V, 2.1A USB output port to charge all your USB compatible devices
- 1 year parts and labor warranty: Take it with you camping, hiking, rafting or poolside – no worries, just play; External microphone jack for PA or Karaoke function (mic sold separately)
JBL Clip 3
If you’re looking for a small, waterproof Bluetooth speaker that is easy to carry, the JBL Clip 3 is a great option. It is IPX7 rated and has a 1000mAh rechargeable Li-particle battery.
The Clip 3 also includes an implicit commotion and echo-canceling speakerphone, making it great for use in noisy environments. You can enjoy superb music on your tablet or smartphone with remote Bluetooth spilling.
The metal carabiner integrated into the speaker protects it from harm and makes it easy to snare anywhere you need.

- SOUND TO GO – Never leave awesome sound at home again. This ultra-portable, waterproof Bluetooth speaker is small in size but with surprisingly big sound. Clip it on with the built-in carabiner, press play, and make the moment pop.
- UP TO 10 HOURS OF PLAYTIME – The JBL Clip 3 features a built-in rechargeable Li-ion battery with up to 10 hours of battery life, plus a metal carabiner so you can easily hook it to your clothes, backpack, or belt loop.
- NOISE CANCELLING & WIRELESS STREAMING – Wirelessly stream high-quality sound from your smartphone or tablet. Plus, take crystal-clear calls from your speaker with the touch of a button, thanks to the noise and echo-cancelling speakerphone.
- WATERPROOF & DURABLE – No more worrying about rain or spills: JBL Clip 3 is completely waterproof—you can even immerse it in water. Plus, the improved, durable fabric material and rugged rubber housing protects it on all of your outdoor adventures.
- THE SOUND PROMISE – JBL has brought music to life in a way people can feel for over 70 years. From Woodstock to the Motion Picture Academy, our speakers unleash the power of music so you can live life to the fullest, wherever and whenever.
- IPX7 Waterproof – A speaker and a submersible in one. Immerse yourself in sound that’s not afraid of a little H2O
- 10 Hour Playtime – With a 10 hour battery life, you can listen to even the longest playlists
- Clip and Play – The upgraded durable and fully integrated carabiner clips to your clothes, belt loop or backpack, making the CLIP 3 your outdoor companion
- Exclusive Bundle includes (1) JBL CLIP 3 Portable Bluetooth Speaker and (1) Deluxe Hard-shell Travel Case
- The Deluxe Case’s soft velvet interior protects the speaker and integrated mesh pocket is designed perfectly for accessories
Bose SoundLink Flex
The Bose SoundLink Flex is a fantastic choice if you’re searching for a waterproof Bluetooth speaker that can keep up with your active lifestyle.
With a battery that lasts up to 12 hours per charge and a design that’s both compact and durable, the SoundLink Flex can handle even the most active moments on your boat or on the beach.
Its built-in microphone makes it easy to take calls without holding your phone up to your ear, and the speaker’s IPX4 rating means it can withstand water splashes without any problems.
The SoundLink Flex is also compatible with many devices, including Amazon Alexa, Siri, and Google Assistant.
The speaker’s battery is rechargeable, so you can plug it in at night to ensure it’s ready for your next adventure the following day.

- State-of-the-art design – SoundLink Flex outdoor speaker is packed with exclusive technologies and a custom-engineered transducer for deep, clear, and immersive audio at home or on the go
- Clearest possible sound – Proprietary PositionIQtechnology automatically detects the position of your portable Bluetooth speaker for optimal sound quality in any orientation or environment
- Waterproof wireless speaker for travel – SoundLink Flex is rigorously tested to meet IP67 waterproof speaker standards. Crafted and sealed with waterproof materials, it even floats – ideal for outdoor adventures
- Portable Bluetooth speaker – Built to resist water, dust, and debris, in a design that withstands drops and rust, this compact speaker goes wherever you do. It’s also easy to hold and store, and resistant to corrosion and UV light
- Rechargeable wireless speaker battery – Portable speaker charges through USB-C cable (included). Lithium-ion battery offers up to 12 hours of life per charge
- co2CREA hard wireless Bluetooth speaker travel case replacement for Bose soundlink flex Bluetooth Bose flex portable speaker. Hard EVA soundlink flex speaker shell case is shockproof dustproof and water resistance, protect your Bose flex speaker soundlink flex Bluetooth portable speaker from drops, scratches, bumps, splash, and dust.
- This Bluetooth wireless speaker protection case perfect for Bose soundlink flex wireless speakers with Bluetooth outdoor portable speaker, and the Bose flex speaker case has more space to accommodate the Bluetooth speakers flex Bose charger and more Bluetooth flex speaker Bose accessories.
- co2CREA hard Bose soundlink flex speaker protective case is a build-in super quality lining reflects superior taste and ensures a long-lasting performance, the soft anti static lining can protect your Bosé soundlink flex small phone speaker from bumps dents and scratches.
- This Bose flex speakers portable wireless case has a comfortable carabiner, hand strap and shoulder strap , so that the Bluetooth Bose flex speakers portable wireless speaker will easy to carry, you can simply hold it wherever you go and enjoy music anywhere. And the Bose flex speaker case has a special and strong zipper, which can bring you a better using experience.
- For sale is CASE ONLY! (Bose flex waterproof speaker and Bose sound link flex speaker accessories are not included)
JBL Flip 4
The JBL Flip 4 should be at the top of your list if you’re looking for a waterproof Bluetooth speaker to deliver outstanding sound and endure various environmental factors.
It has excellent sound quality, powerful bass, and a rugged design, making it perfect for any outdoor activity, including boating.
The JBL Flip 4 is a rugged, waterproof Bluetooth speaker with an IPX7 rating and up to 12 hours of battery life. It has a built-in microphone for hands-free calling, and an optional JBL Connect app allows you to pair two speakers for stereo sound.
The Flip 4 is available in several colors, including black, blue, red, and white. It has a rugged design with a splashproof rubber exterior that can survive falls up to 5 feet high. The speaker is also shockproof and dustproof.
However, one downside is that the battery life is only claimed to last for 12 hours. Nevertheless, considering this speaker’s overall features and quality, it’s definitely worth the investment.

- Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns playing impressive stereo sound
- Built-in 3000mAh rechargeable li-ion battery Supports up to 12 hours of playtime
- Ipx7 waterproof means no more worrying about rain or spills; you can even submerge flip 4 in water
- JBL connect+ allows you to Link more than 100 JBL connect+ enabled speakers together to amplify the party
- Dual external passive radiators demonstrate just how powerful your speaker is
- This bundle includes (2) JBL Flip 4 portable wireless Bluetooth speakers
- Wireless Bluetooth streaming
- 12 hours of playtime
- IPX7 waterproof
- Connect multiple speakers with JBL connect+
- Exclusive On-The-Go Bundle includes (1) JBL FLIP 5 Portable Bluetooth Speaker and (1) WRP Deluxe Hardshell Travel Case
- A full–featured IPX7 waterproof portable Bluetooth speaker with surprisingly powerful sound
- This compact speaker is powered by a 3000mAh rechargeable Li–ion battery that offers 12 hours of continuous, high–quality audio playtime
- This kit offers up the FLIP 5 with a WRP Deluxe Hard Case with a rigid structured surface covered in tough nylon
- The WRP Deluxe Case’s soft interior protects the speaker with an elastic band that secures the speaker firmly in place
TREBLAB HD77
The TREBLAB HD77 is the best waterproof Bluetooth speaker for boats. It features a 3.2-inch full-range driver with a frequency response of 75Hz to 20Khz and can produce power up to 100 watts. This speaker has an IP67 rating meaning it is completely dustproof, water resistant, and even shockproof.
The TREBLAB HD77 also has an impressive battery life of up to 24 hours and features a built-in microphone for hands-free calling. It also has an LED indicator that displays the remaining battery level, Bluetooth status, and connection status.

- Rich 360° HD Sound – Hear music like never before with 30W (25W RMS) stereo speakers crafted around a 360° HD surround sound system. Pair with other HD77 speakers through TWS mode for 60W of crystal-clear sound and a loud, deep bass.
- Durable & Rugged Body – Defy the elements with a shockproof, dustproof, impact-resistant, and IPX6 waterproof Bluetooth speaker. Great for outdoor, travel, kitchen, and workshop listening.
- Seamless Connectivity – Pair the HD77 with any Android, iOS, laptop, tablet, smart TV, or more. The Bluetooth 5.0 wireless speaker with microphone makes taking & making calls a breeze.
- For Those on the Go – Take your portable Bluetooth speakers wherever you wander with a battery that lasts up to 20 hours. Just charge the device through the USB-C port, and secure it with the carabiner & strap included in the box.
- Additional Features – Add flair to your wireless outdoor speakers with an ambient LED light mode. Enjoy convenient control buttons for a hassle-free experience. 1-Year Warranty.
ULTIMATE EARS WONDERBOOM 2
The Wonderboom 2 from Ultimate Ears is an excellent option if you’re looking for a great waterproof Bluetooth speaker.
This speaker can handle water up to one meter deep without sustaining damage, and its sound quality is excellent. Given that it is made to withstand drops of up to five meters, the Wonderboom 2 is also one of the most resilient speakers.
This speaker is drop-proof and durable, making it an excellent choice for boating. It’s available in blue, grey, or black, and its battery has produced 13 hours of quality sound. You can also connect more Wonderboom 2 speakers for a louder experience.

- Surprisingly bigger 360 sound: Ultimate Ears WONDERBOOM 2 is a wireless Bluetooth speaker with surprisingly bigger 360 degree sound and additional bass.
- New outdoor boost: push the outdoor boost button on this ultra portable speaker to instantly increase loudness and clarity for outdoor listening.
- 13 hr. Battery: powering 13 whopping hours of killer sound, The long lasting battery sees you through day trips, beach detours and biking adventures.
- Waterproof, dustproof & floats: IP67 rating means it’s waterproof, dustproof and it floats! Use it in the pool, the beach or as a shower speaker.
- Double up, Now in stereo: pair two WONDERBOOM 2 speakers to party louder in mono or stereo mode.
- Surprisingly bigger 360 sound: Ultimate Ears WONDERBOOM 2 is a wireless Bluetooth speaker with surprisingly bigger 360 degree sound and additional bass.
- New outdoor boost: push the outdoor boost button on this ultra portable speaker to instantly increase loudness and clarity for outdoor listening.
- 13 hr. Battery: powering 13 whopping hours of killer sound, The long lasting battery sees you through day trips, beach detours and biking adventures.
- Waterproof, dustproof & floats: IP67 rating means it’s waterproof, dustproof and it floats! Use it in the pool, the beach or as a shower speaker.
- Double up, Now in stereo: pair two WONDERBOOM 2 speakers to party louder in mono or stereo mode.
EDUPLINK M6 Pro
The EduLink Portable Bluetooth Speaker is a fantastic choice if you’re looking for a top-notch waterproof Bluetooth speaker. The speaker has a wireless range of around 100ft and can be attached to your boat via a standard marine connector.
The battery life is incredibly long – up to 20+ hours of continuous playtime. The pulsating LED lights create an aura that will mesmerize you, and the built-in microphone makes it easy to take calls without taking the speaker off your boat. At just 1.5 lbs, this speaker is easy to carry and store.

- High-Fidelity Sound Quality: The EDUPLINK Waterproof Portable Bluetooth Speaker delivers 20 watts of high-definition audio output, allowing your music to be showcased with richer sound quality for a more immersive listening experience.(Note:Don’t put this speaker on a rapid charger,.recommend: 5V1A or 5V2A charge adapter.)
- Waterproof Design: This speaker features an IPX7-rated waterproof design, making it safe for use at outdoor locations such as the beach or pool, offering you a convenient music experience.
- 20-Hour Playtime: The EDUPLINK Waterproof Portable Bluetooth Speaker features an efficient battery that can provide 20 hours of continuous playtime on a single charge, allowing you to enjoy music for extended periods of time.(At Mid volume and turn off the light)
- TWS Pairing: With TWS technology, you can connect two EDUPLINK Waterproof Portable Bluetooth Speakers together, achieving a stereo sound effect, enhancing the music experience.
- RGB Lights: This speaker has built-in multi-color light effects. When the volume is above 70%, the lights sync with the music, offering you a more exciting visual effect.
W-KING 50W Bluetooth Speaker
If you’re looking for a waterproof Bluetooth speaker with great sound and fantastic music quality, the W-KING 50W Bluetooth Speaker is a great choice.
This speaker has clear sound and outstanding music quality, so you won’t miss a beat when listening to your favorite tunes. The W-KING 50W Bluetooth Speaker also has long battery timing, and a power bank can be beneficial on a boat.
Finally, the speaker syncs issues for music and dialogue, so you’ll never have to worry about missing important calls or conversations.

- 50W HD Sound With Punchy Bass – Get a 50w output power and the latest state-of-the-art 4 drivers (2 passive subwoofers and 2 tweeters) and double passive bass radiators are located on the right and left side of the loud bluetooth speaker producing punchy bass and true HD sound. Frequency range: 90Hz-20KHz. With the loud bluetooth speaker, you will feel best atmosphere for new year party, indoor and outdoor activities, jobsite, gym and Thanksgiving Christmas parties.
- 100W Powerful Beast Stereo Sound – Easily pair two portable speakers, Upgrading 100W stereo surround sound immediately. The powerful bluetooth speaker bring sound to life for a fantastically dynamic Audio experience. When you listen to music, watch movies, or play games, the two powerful Bluetooth speakers creating left and right channels immediately brings you extraordinary clarity and detail. The Bluetooth speakers really make great Thanksgiving and Christmas gifts for women and men!
- IPX6 Waterproof And Power Bank Function – As a Power Bank to charge your smart device. There is a massive rechargeable battery, a single charge gives you enough juice to 40 hours of playtime. IPX6 waterproof mechanical casings makes it suitable for outdoor activities and passive radiators covers prevent accidental bumps and drops. Take the waterproof rugged bluetooth speaker with you on camping trip or beach party!
- Advanced Bluetooth 5.0 & Hands-Free Calling – With V5.0 outdoor bluetooth speaker, you can communicate with the phone assistant and never worry about sudden Bluetooth disconnection while using! Have a wireless connection range of 100ft, creating a fast and stable signal transmission. The built-in microphone also provides a hands-free of your call. Included 3.5mm audio jacks and TF-Card Slot. Please use a 5V 2.0A power adapter (not included) to charge your outdoor bluetooth speaker
- Equalizer & One-touch NFC – Take your sound quality into your own hands with the built-in equalizer (indoor and outdoor mode). Adjust your audio signal, find the right balance, and enjoy deep bass, clear mids, and crisp treble. NFC connection allows you to pair your smartphone with your portable speaker by simply touching it (NFC Only for Android)
- 50W HD Sound With Punchy Bass – Get a 50w (70w peak) output power and the latest state-of-the-art 4 drivers and double passive bass radiators for producing punchy bass and true HD sound. Unlike other bluetooth speakers that directly expose passive radiator to the outside, The D8 loud bluetooth speaker is designed with Air Protective Covers to ensure that the passive radiators can deliver deep bass to you well, while protecting the passive radiator from impact, allowing you to use it more freely! The wonderful Thanksgiving and Christmas gifts for women/ men!
- 100W Powerful Beast Sound – Easily pair two portable bluetooth speakers, upgrading 100W stereo surround sound immediately. The powerful bluetooth speakers bring vivid sound to life for a fantastically dynamic Audio experience. When you listen to music, watch movies, or play games, the two powerful bluetooth speakers creating two-channel sound immediately brings you extraordinary clarity and detail. With the loud bluetooth speaker, you will feel best atmosphere for Christmas Thanksgiving party, gym, camping, BBQ
- IPX6 Waterproof And Power Bank Function – As a Power Bank to charge your smart device. There is a massive rechargeable battery, a single charge gives you enough juice to 40 hours of playtime. IPX6 waterproof mechanical casings makes it suitable for outdoor activities and passive radiators covers prevent accidental bumps and drops. Take the waterproof rugged bluetooth speaker with you on camping trip or beach party!
- Equalizer & One-touch NFC – Take your sound quality into your own hands with the built-in equalizer (indoor and outdoor mode). Adjust your audio signal, find the right balance, and enjoy deep bass, clear mids, and crisp treble. NFC connection allows you to pair your smartphone with your portable speaker by simply touching it (NFC Only for Android)
- Supported Advanced Bluetooth 5.0/AUX/TF Card & Hands-Free Calling – With V5.0 outdoor bluetooth speaker, you can communicate with the phone assistant and never worry about sudden Bluetooth disconnection while using! Have a wireless connection range of 100ft, creating a fast and stable signal transmission. Included 3.5mm audio jacks and TF-Card Slot.The built-in microphone also provides a hands-free of your call. A wonderful gift for holidays, birthdays, Christmas, Thanksgiving!
Sony SRS-XB13
Sony SRS-XB13 is one of the best waterproof Bluetooth speakers for boats. It has a 75-foot wireless range and an IP67 rating. It has a built-in battery that lasts up to 24 hours on one charge and can connect with NFC technology. This speaker also has a 3.5mm auxiliary input, and it comes with a USB charging cable and a strap.
The speaker has two passive radiators and one tweeter, which deliver 40 watts of power. The frequency response is 80 Hz to 20 kHz, and the sensitivity is 85 dB. It has a frequency response of 2 Hz to 200 kHz, and the sensitivity is 108 dB.
The speaker comes in black or white, measures 8 x 3.5 x 3.5 inches, and weighs 1 pound. It comes with a one-year warranty and is eligible for Amazon Prime shipping.

- EXTRA BASS for deep, punchy sound
- Sound Diffusion Processor expands sound far and wide
- Waterproof and dustproof (IP67 rated)
- Up to 16 hours of battery life with indicator
- Compact portable design with multiway strap included
- 【Compatibility】Protective silicone case is compatible with Sony SRS-XB13 Extra BASS Wireless Portable Compact Speaker. ONLY Silicone Cover.
- 【Max Protection】Silicone Cover can effectively absorb impacts caused by accidentally bumping, keep your speaker machine scratch-free, secures your device in good condition.
- 【Perfect Matching】The lovely Silicone Case can perfectly match with your SRS-XB13 Speaker, protect your machine and decorate it as well when you play or carry it.
- 【High Quality and Ultra Portable】Made of flexible silicone, give you soft feel and comfort. Four standing pins at the side, which will easily make it horizontally standing on table, you will get better listening experience.
- 【Package】Package only includes 1* Silicone Case, the device is not included. It will be great gift for Sony SRS-XB13 Speaker.
What are some tips for choosing the right Bluetooth speaker for a boat?
When choosing a Bluetooth speaker for a boat, it is essential to consider the size of the speaker and portability. Selecting a Bluetooth speaker with good battery life is also necessary. Finally, make sure to choose a waterproof Bluetooth speaker.
Below are some tips for choosing the right Bluetooth speaker for a boat:
-Consider the size of the speaker. A large-sized Bluetooth speaker will be better suited for larger vessels, while a small-sized Bluetooth speaker will be better suited for smaller boats.
-Choose a Bluetooth speaker with good battery life. Long battery life will allow you to take your speakers on long trips.
-Make sure your Bluetooth speaker is waterproof. A waterproof Bluetooth Speaker will protect it from rain, dirt, and water droplets.
What are the benefits of using Bluetooth speakers on boats?
Using Bluetooth speakers on a boat is a fantastic way to listen to your music. The sound quality of Bluetooth speakers is usually good. Bluetooth speakers are often waterproof and can withstand rain or other weather conditions.
Many Bluetooth speakers have an alarm function that can wake passengers when it’s time to dock. Some Bluetooth speakers also have a built-in light that can be used to see in the dark.
How can Bluetooth speakers be used on boats?
You can use Bluetooth speakers on boats to listen to music or hear the weather. You can use Bluetooth speakers on boats to communicate with other boaters. You can use Bluetooth speakers on boats to watch the weather.
You can use Bluetooth speakers on boats to enjoy a peaceful environment. You can use Bluetooth speakers on boats to entertain yourself. Bluetooth speakers can be used on boats to stay safe while boating. Bluetooth speakers can be used on boats to keep a watchful eye on the surroundings.
What are some common problems with Bluetooth speakers on boats?
Bluetooth speakers on boats often have problems with water and salt. The speakers can short out or stop working due to the moisture and salt in the air. The receiver can also not connect to the speaker due to water or salt build-up.
Bluetooth speakers on boats can also have problems with the sound quality. The sound is often low quality and lacks bass. Wireless technology is not as good in wet environments, resulting in poor sound quality.
Bluetooth speakers on boats often have a small speaker size. They are also challenging to install because they are usually held down by magnets or suction cups and do not fit easily into a cabinet or cup holder.
How can Bluetooth speakers be used to improve the sound quality on boats?
Bluetooth speakers can improve the sound quality on boats by pumping out plenty of volumes and providing smooth and consistent sound performance.
They also provide rich and well-defined highs and timbre ranges. Bluetooth speakers can be used to improve the sound quality on boats by producing a surprising amount of bass response at the lower end of the frequency spectrum.
They can also make a wide range of frequencies and deliver crisp sound comparable to many conventional speakers.
How can Bluetooth speakers be used to make boats more enjoyable?
Bluetooth speakers are a great addition to boats because they can be used in many different ways. One of the most common uses is a secondary speaker system for music played through an auxiliary input. This allows you to connect your phone or mp3 player to the speaker system and play music.
A Bluetooth speaker can also be used as a primary sound source for playing music that is not stored on a phone or mp3 player. Using these speakers for talking hands-free over the phone while driving your boat is also possible.
What’s the range of a waterproof Bluetooth speaker?
The range of a Bluetooth speaker can vary based on the model you buy. Most have an advertised range up to 100 feet. This means that if you are within 100 feet of the speaker, it will be able to receive the Bluetooth signal.
The range of your speaker is more dependent on the environment you are using it in than anything else. If you are near a large metal object, the range of your speaker will be reduced.
If you are near a large body of water, the signal of your Bluetooth speaker can be blocked by the water. If you want to use your Bluetooth speaker near the water, you should get one with a waterproof rating of IPX7 or higher.