It is the location where SpongeBob and Sandy fought on top of the point. They battled with cotton swabs. SpongeBob didn't know much about fighting up high, but Sandy made the first move and pushed SpongeBob down onto a fire hydrant. It is a popular tourist attraction because of its size.
The sea needle was the last building in the Bikini Bottom after the Sneaky Hermit stole all the other buildings he was unable to steal it because of a giant lock on it getting to it battling the Dirty Bubble, Man Ray, Mermaid Man, and Barnacle Boy on window washing platforms was defeated by sneaking with pepper from Mermaid Man which made him fly into the sky and the buildings returned.