From publisher blurb:
Maritime Marvels is the latest entry in the Beginner Baubles line. Released monthly, each new issue in the series is packed to bursting with weird and wonderful prizes just waiting to be greedily devoured by the gluttons at your table. In addition to the baubles themselves, each supplement also includes fully-playtested new rules and mechanics, outstanding presentation and production values, a torrent of premium-quality artwork, and extra materials designed to help you get the most out of the series. Additionally, Beginner Baubles are completely setting-neutral, ready to be dropped into almost any fantasy world that allows for magic items and objects. Best of all, adopting a completely modular approach, each entry in the series can be used as a standalone supplement or in conjunction with any others that you acquire.
Beginner Baubles: Maritime Marvels presents 20 oceanic and nautical baubles perfect for use by seafarers and those who reside in coastal settlements. Buccaneers, explorers, fishermen, pioneers, pirates, privateers, sailors, sea raiders, and others who've learned to live off the fat of the ocean will all discover a watery wonder perfect for their needs contained here.
Maritime Marvels includes the following baubles:
Whorl. This unusual hook is affixed to a 10-foot rope and has air valves cut into it so that, when spun, it produces a deep warbling sound similar to whale song. It also introduces a new weapon type to 5th Edition, Hooks, which can be held or else affixed to the wrist of a creature that has a lost their hand.
Tub of the Mad Shark. This plain, unassuming bucket of chum is actually tethered to the enduring spirit of the great white shark, Maku-Matas, who waits patiently to be released.
Argon Anchor. This briny, barnacle-ridden anchor carries with it the unbridled fury of a tidal wave, making it a useful tool for a hardy vanguard looking to breach-and-clear a den of despots and delinquents.
Shipwrecker. This ginormous crossbow is so large and weighty that it cannot be loaded with normal bolts, firing marlin spikes instead. The beastly bowcaster has been known to sink ships as easily as slay sailors.
Limey's Locker. This wooden coffer, styled after a classic treasure chest, is the perfect instrument for hiding things that ought never be found.
Whaler's Harpoon. This deadly harpoon has been taken on many hunts and see the downfall of a number of great and ferocious creatures, and it's inclusion introduces a new weapon type to 5th Edition, Harpoons.