Best Beach In Florida – The next great beach in Florida for your best vacation with families is Marco Island, one of Florida’s Thousand Islands, and the only developed one. Marco Island is a short drive from Naples and the Florida Everglades. It is a beach, and unspoiled. can explore a lovely beach, but if they get bored with that, they to visit Briggs Nature Center with a half-mile-long boardwalk where they can watch in their real, natural habitats.