Ambergris Caye (San Pedro) : Ambergris Caye is the largest island in Belize. The town of San Pedro has long been the tourist capital of Belize with the main attraction being diving and water sports.. There are also plenty of restaurants to choose in San Pedro. You will find some during your cruise in Caye Caulker, St. George's Caye, Tobacco Cayeand in South Water Caye. San Pedro is also the last place to buy ice, drinks and food (except seafood from a fisherman).