4650 Overseas HwyMarathon, FL 33050 Phone: +1 305-743-2393Fax: +1 305-743-6417Toll Free: +800-548-5397 Hotel E-mailHotel Website Commission Rooms Rates - 40 $114-$289 (USD) Hoteliers! Is your information accurate? Update Here Blackfin Resort Location & Neighborhood Located on hwy and Gulf of Mexico - 1.500 MI, 5 min from Marathon airport. 50 MI from KeywestNearest Cross Street: 46 thHotel Location: Beach, Highway