There is a variety of boats that can be constructed to explore the Ocean biomes and for moving between islands. Different boats will give you different map reveal bonuses and if you wear a Pirate Hat this bonus increases by 25%.
Surfboard
The Surfboard is classified as a Boat item and is exclusive to Walani and she is the only character able to craft it. The Surfboard has x1.3 the sailing speed of a Raft, but only has 100 durability. Each time Walani rides a Wave you will get x5 speed boosts from the Waves but suffer a x1.5 Wetness penalty if you hit them. The Surfboard does not require paddling, so Walani can hold tools while surfing.
The 'Sea Legs'
The 'Sea Legs' is exclusive to Woodlegs and can be found in the Nautical Tab and requires 4 Boards, 4 Dubloons, and 1 Boat Cannon. It begins with 500 Health, which will deplete if damaged or as it is used.
Log Raft
The Log Raft can crafted from the Nautical Tab and requires 6 Logs and 4 Cut Grass to craft and is available from the beginning of the game. It begins with 150 durability, which will deplete gradually with use and when damage is taken.
Raft
The Raft can be crafted from the Nautical Tab and requires 4 Bamboo and 3 Vines to craft. It has a durability of 150, which will deplete over time or if damaged. Sometimes you will be able to find abandoned Rafts floating in Shallow Ocean biomes, accompanied by 2 Spearguns.
The Row Boat
The Row Boat can be crafted from the Nautical Tab and requires a Science Machine and 3 Boards and 4 Vines to craft. It has 250 HP and can be fitted with boat attachments. It is probably the most efficient boat for traveling. Row Boats can sometimes be found abandoned floating in Medium or Deep Ocean, they tend to be equipped with a low durability Sail and a Boat Lantern.
Cargo Boat
The Cargo Boat can be crafted from the Nautical Tab and requires 6 Boards and 3 Rope to craft. The Cargo Boat can be customised with boat attachments and it allows the player an extra 6 slots of storage. It begins with 300 durability, which will deplete over time or as it takes damage.
Armored Boat
The Armoured Boat can be crafted from the Nautical Tap and requires an Alchemy Engine and 6 Boards, 3 Rope, and 10 Seashells to craft. The Armored Boat has equipment slots which allows you to equip Sails, Boat Lanterns, Boat Cannons and Trawl Nets. It begins with 500 Health, which will deplete if damaged or as it is used. While moving, it loses Durability at a rate of 1 per 3.84 seconds, lasting a total of 4 Days.