Seabird Key is yours exclusively. A private, 10-acre tropical island getaway located one-half mile offshore Marathon, in the heart of the Florida Keys. As our guest, you have the entire Private Island to yourself, including an exquisite Island Home that accommodates up to 10 guests. The Island home includes multi-level porches, decks and a 35' widow's walk which affords 360-degree Florida Bay and Gulf of Mexico views, and a spectacular panorama of the bird sanctuary at sunset. You also have use of a 18' Boston Whaler throughout your stay. Enjoy your own private beach with hammocks & Chickee Huts, go swimming, snorkeling, paddle boarding, kayaking, fishing and much more! Arrival There are no bridges or causeways connecting Seabird Key to the mainland. Guests can only access Seabird Key by boat. Upon your arrival to Seabird’s mainland launch site in Marathon, Florida, guests are greeted by our manager. He will assist in loading the luggage onto the 18′ Boston Whaler.