What is there to do on a boat? It's really up to you on what you want to do, but here are a couple of ideas. Hang out & socialize on Crab Island. Dock at a restaurant to eat. Beach the boat at Noriega Point. Cruise the Bay. Do a harbor tour of the boats and houses. Site see the mansions in the bayous. Fish. Dolphin Cruise. Crab Hunt. Snorkel. Scuba. Swim. Tan in the sun. Tube. It's endless.