Muffington Island, named after Captain Muffington, is held by lesbian cannibals. To do anything at the island you have to get past Wendi, first.
Unlike normal walkthroughs, in Nice Game Hints you can select just the puzzle you want hints for. Here are listed the puzzles for "Muffington Island" in Leisure Suit Larry - Wet Dreams Dry Twice. The guide you choose only contains information about that puzzle, reducing possible spoilers for other puzzles.