This structure is used to expand the Raft. It can be built with a Building Hammer. Foundations can be destroyed with an Axe, or by the Shark. Placing Foundation Armor on a foundation block will prevent the Shark from attacking the Foundation.
- Expanding the Raft.
- If the last remaining Foundation is destroyed, the game is essentially over, as the player cannot place any new Foundations.
|Foundation and Floors||Foundation • Triangle Foundation • Wooden Floor • Triangle Floor • Raised Floor • Foundation Armor|
|Roofs||Wood Roof • Thatch Roof • Wood Roof Corner • Thatch Roof Corner • Inverted Wood Roof Corner • Inverted Thatch Roof Corner • Triangular Wood Wall • Triangular Thatch Wall|
|Pillars||Wooden Pillar • Half Wooden Pillar|
|Walls||Wooden Wall • Half Wooden Wall • Thatch Wall • Half Thatch Wall • Wooden Window • Thatch Window • Wooden Door • Thatch Door|
|Fences||Rope Fence • Plank Fence • Wooden Gate • Thatch Gate|
|Stairs||Stair • Half Stair • Ladder|