The Sea Caves is the third Area of Club Penguin Island. Penguins can swim throught the Sea Caves. But, be careful, there's a lot of Crabs in the Crab Den... Swim to the Throne Room and have fun with the Gears! If you want to grab a Glow Stick, then, go the the Glow Grotto, in the deepest side of the Sea Caves. AND, the best part, you are all waiting for...? You can now PARTY in a... SUBMARINE! Sea Caves Entrance IS at the Coconut Cove.