The island community of Marathon in the Florida Keys is a tropical getaway for your whole family. It maintains a retro, nautical atmosphere with family-friendly festivals and attractions. Activities include dolphin swims, snorkeling, jet ski and boating. Seafood festivals are scheduled throughout the year, and plenty of local restaurants feature fresh catches. Fishing is ideal off the pristine Sombrero Beach. Visit Crane Point to hike to the preserved home of a 20th century settler family.