'My best friend for the beach!' Tiny, waterproof Bluetooth speakers with big sound are on sale today

Waves crashing against the shore make a beautiful sound, but a full beach day calls for a more captivating sound track. That's why powerful, portable, water-resistant Bluetooth speakers are a must-pack for any beach bag. Amazon has a slew of highly praised mini speakers by Altec Lansing on sale today starting at just $21 for a tiny one that "punches well above its weight class," according to one of thousands of fans.

Let's take a look at a few of the best speakers in today's big Amazon sale.

Altec Lansing Baby Boom XL Waterproof Bluetooth Speaker

$27$30Save $3

Deep bass and crystal clear audio in a half-pound package: that's what this speaker offers. Listen to six straight hours of music by the beach or the pool. The Altec Lansing Baby Boom XL is not just waterproof — it actually floats!

$27 at Amazon

"My best friend for the beach this season!" gushed a five-star reviewer. "I can't get over the sound quality from such a small compact speaker. I have to admit that I am really not surprised because Altec Lansing has been my go to for speakers lately...I can literally add on a D ring and throw it on my keychain. LOVE IT!!"

Use this mini wonder within 100 feet of your phone, laptop or other sound source. It's pretty too — available in six summery colors.

Altec Lansing HydraMicro Waterproof Bluetooth Speaker

$23

Grab one of these mini speakers or grab two — thanks to True Wireless Pairing, you can connect two at once. Then enjoy 360-degree sound with crystal clear highs, punchy lows and deep, rich bass. This one's waterproof too — it's also dirt- and shock-proof, so no worries if you drop it in the midst of the party.

$23 at Amazon

"This little powerhouse was super easy to set up. So much so, that even I could manage it! The sound is perfect, battery life is superb," wrote one extremely pleased shopper. "The range is good too. I can leave it in my kitchen and take my phone any place in my apt and it works great."

Save 20% today.

Altec Lansing Super Lifejacket Jolt Waterproof Bluetooth Speaker

$131$200Save $69

This Altec Lansing speaker packs all the punch of smaller versions, but incorporates fun LED lights to elevate that backyard barbecue to the next level. This one's "everything-proof,"so it stands up to splashes, full submersion, impact and more.

$131 at Amazon

One happy reviewer wrote, "This is a great speaker for kayaking, it floats when you capsize and usually still plays while you scramble to get your gear together and upright your yak. I love it, and the rest of the river rats do too."

Save more than $40 'til midnight.

If you have Amazon Prime, you’ll get free shipping, of course. Not yet a member? No problem. You can sign up for your free 30-day trial here. (And by the way, those without Prime still get free shipping on orders of $25 or more.)

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