Overlooking the Atlantic Ocean, the Mariner's Club Key Largo is close to a variety of water sports, including parasailing, fishing, scuba diving, snorkeling and water skiing. The Suncruz Casino and Wild Bird Center are less than four miles from the hotel. Key Largo is also known for its restaurants featuring fresh seafood, specialty drinks with a tropical flair and sunset views.

This Key Largo resort offers dive and snorkel trips, paddle boat, kayak and wave runner rentals, tennis courts, fitness center and clubhouse. It also features a heated pool, whirlpools, restaurant and tiki bar, observation pier, serenity pond and a full range of social activities. Recreational amenities include an outdoor pool and coral spa tub designed to replicate an underwater diving or snorkeling experience. An on-site professional dive shop offers dive and fishing charters, SCUBA instruction, and equipment rentals.