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What to Do in Marathon

Relaxed Vibes, Remarkable Wildlife & Real Island Adventure

Situated halfway between Key Largo and Key West, Marathon Key is where authentic Florida Keys charm meets family-friendly fun and elevated eco-exploration. This 10-mile stretch of paradise is home to world-class snorkeling and diving, historic bridges, wildlife sanctuaries, and sunset-soaked beaches. Whether you’re swimming alongside sea turtles, kayaking quiet mangrove tunnels, or just enjoying fresh-caught seafood by the marina, Marathon offers the perfect balance of adventure and serenity. Click below to learn more about each activity.

A close-up of a sea turtle gracefully swimming underwater in clear blue water.

Marathon Turtle Hospital

Take a moving 90-minute guided tour to observe the rescue and rehabilitation of endangered sea turtles.

A group of people standing on top of a sandy beach

Sombrero Beach

A pristine Keys beach perfect for sun lounging, snorkeling, or spotting turtle nests in season.

live corals

Snorkel Sombrero Reef

Embark on a boat excursion to explore clear waters, vibrant reefs, and fascinating marine life.

A forest path leads through tall pine trees.

Crane Point Museum

Wander woodland nature trails, explore the natural history museum, children’s exhibits, and historic Adderley House.

An aerial view of a lighthouse in the middle of the ocean

Old Seven Mile Bridge

Admire ocean panoramas and historic engineering during this converted pedestrian and cycling trail.

a view of the ocean with a house on the water

Pigeon Key

Step off onto this preserved island via the old bridge, explore historic buildings, and tour a small museum detailing Florida Keys' railroad legacy.

a dolphin with its mouth open in the water

Dolphin Research Center

Engage with marine ambassadors—educational programs and ethical encounters that bring you close to dolphins.

Close-up of fried fish and chips with tartar sauce and lime, perfect for food lovers.

Castaway Waterfront Restaurant & Sushi Bar

Charming waterfront dining with a broad menu that includes sushi, seafood, and steaks, famous for being featured on Diners, Drive-Ins and Dives and efforts to combat invasive lionfish.

cooked food

Porky’s Bayside BBQ

Waterside tiki dining with smoked meats, island-style seafood, and the original deep-fried Key lime pie. Perfect for relaxed, flavorful evenings with live music and mojitos.

Stay in Marathon

Beachfront resort with pool and ocean view under blue sky

Beach Heaven

  • 5 Guests
  • 2 Bedrooms
  • 2 Bathrooms
Beach Heaven is the ideal spot to unwind and enjoy the sun, sand, and crystal clear waters of our private beach.
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Beachfront condo with pool and sun umbrellas in sunny weather

Sea Glass

  • 4 Guests
  • 2 Bedrooms
  • 2 Bathrooms
A stunning beachfront condo that embodies the perfect blend of luxury, comfort, and coastal charm.
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Balcony view of tropical resort with pool and ocean scenery

Beach Club Tidal Wave

  • 4 Guests
  • 3 Bedrooms
  • 2 Bathrooms
This charming 2-bedroom condo is located just steps from the ocean at Key Colony Beach Club.
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