Dauphin Island, a picturesque barrier island off the coast of Alabama, offers an array of captivating activities for visitors to indulge in. There are various things to do in Dauphin Island. One of the must-see attractions on the island is the Dauphin Island Sea Lab, a renowned research and educational facility dedicated to marine science. Here, visitors can explore the Estuarium, an aquarium showcasing the diverse marine life found in the Gulf of Mexico.