The Abandoned Lighthouse stands on the shore in the northern part of the Farmers Coast. There is a Damp Vault beneath it, enterable via the hidden door on the right side of the Lighthouse entrance.
There is a treasure chest and the following items atop it:
- Massive Chest
- Fog Sponge
The tower with its top and a small dungeon beneath, Damp Vault. The vault is found within the Abandoned Lighthouse and is guarded by a single Lost One.