Club Shell is a club in Bikini Bottom. It only appears in the episode "Shellback Shenanigans." As the title says, the club is for snails. It is a small island. Plankton, in disguise, told Gary to go to Club Shell.
The island has grass all over it. In the middle of the island, there is a small swimming pool. There are also chairs and trees on the island. There is a hut on the island. In the background, there is a beach.