Review for LEGO set 5770 Lighthouse Island from Brickipedia
“It includes instructions to rebuild into a boathouse or seafood restaurant. There is a Power Functions lightbrick that lights up when you push the roof of the lighthouse, and a crank on the side of the tower to rotate the mirror. The interior of the lighthouse has a stove, a... More stool and a narrow ladder leading up to the top.”
Full review at brickipedia.fandom.com