Even if your boat has a kickin’ stereo, bringing a portable Bluetooth speaker on board is great for beaching or rafting up. Here are three to choose from, ranging from most to least expensive. —Pete McDonald
THE BOOM: The smallest of the three, it can fit in the pocket of your cargo shorts. It’s rated IPX7, making it submersible, and it comes with an inflatable pad to help it float.
THE BUST: It has decent sound, but it lacks the volume of the others and can pair with only one other Aomais speaker.
PRICE: $30.99; aomais.com THE BOOM: The priciest unit is also the loudest, with the best sound quality of the three. The lithium-ion battery lasts for up to 15 hours. It can be connected with other JBL speakers to amplify the sound.
THE BUST: Splash-proof but not submersible. At 4.7 pounds, it’s the heaviest of the three.
PRICE: $299.95; jbl.com THE BOOM: This middlepriced portable unit provides quality 360-degree sound and can be paired with up to eight devices at the same time and with up to 50 total UE speakers. It is submersible to IPX7 standards.
THE BUST: Any IPX7 submersible speaker is going to lose a bit in sound quality.
PRICE: $179.99; ultimateears.com