Basic sea improvement. Requires Sailing. * Constructed on: * Fish bonus resource * Access: * Whales, Crab, and Pearls luxury resources * Effect: * +1 Image:20xFood5.png Food (Fish, Whales, Crabs) * +1 Image:20xGold5.png Gold (Pearls) * +1 Image:20xGold5.png Gold after researching Compass * +1 Image:20xProduction5.png Production with God of the Sea Religious belief