4560 Overseas HwyMarathon, FL 33050 Phone: +1 305-743-6522Fax: +1 305-517-6333 Hotel E-mailHotel Website Commission Rooms Rates 10% 20 $1,200-$1,600 (USD) Hoteliers! Is your information accurate? Update Here Marathon Key Beach Club Location & Neighborhood On gulf side, on Marina.Hotel Location: Beach