Adventures in Bikini Bottom (3827) is a LEGO set released in 2006. It features SpongeBob, Patrick, Squidward, Gary and Jellyfish minifigures.
It also includes the three homes of SpongeBob, Patrick and Squidward along with a few other features like a basket ball launcher and hoop, a clock in SpongeBob's House and a TV in Patrick's House. Squidward's House is much less detailed.