What to do in Grassy Key, FL

Activities, attractions and tours

Visit Grassy Key

Dolphin Research Center which includes a statue or sculpture and signage

Grassy Key Attractions

Let Expedia help you to experience the best that Grassy Key has to offer! If you’re planning a trip to Grassy Key, we can provide you with a list of the top sightseeing attractions, as well as helping you to find unmissable activities. Whether you’re travelling to Grassy Key with your family, planning a romantic trip with your loved one, or visiting on business, we’ll make it easy to plan an unforgettable holiday that checks all the boxes.

Places of interest in Grassy Key

Grassy Key is crammed with must-see places to visit and things to do. We can help you decide where to stay in Grassy Key, and make it a breeze to explore Grassy Key and the surrounding areas with our guides on where to go, what to see and when to see it. No matter how long your stay, it’s easy to find places of interest in Grassy Key to make sure that you enjoy your holiday to the fullest and don’t miss a thing. Leave the local knowledge to us and leave the hassle behind.

If you’re planning a visit to Grassy Key, why not check out our handy guides to places of interest in the area? You can browse lists of things to do, learn about the most popular attractions, and get help with planning the details of your trip. Expedia makes it easy for you to check out all the top sights in Grassy Key.

Grassy Key attractions

Grassy Key has something for everyone, so whether you’re planning to get active on a summer holiday, put a spring in your step with a romantic rendezvous, or pamper yourself with a leisurely winter trip, you’ll find plenty of attractions in Grassy Key to keep you entertained. Expedia makes it easy to book your flight, hotel and rental car in advance, making for hassle-free travel and freeing you up to explore the sights of Grassy Key.

Looking for things to do in Grassy Key can be time-consuming, but we can take the hassle out of planning your holiday. Whether you’re looking to get active in the great outdoors, sample the cuisine of Grassy Key or catch up with the vibrant local culture, our guides to Grassy Key attractions ensure that you’ll have a successful trip, whatever the season. Happy trails!

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Top places to visit

1. Everglades National Park

Wander through miles of Everglades National Park’s tranquil wetland in search of mangrove forests, sawgrass prairies, orchids, alligators and crocodiles. Sunbathe on white sand beaches or kayak or bicycle to wildlife habitats.

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Everglades National Park featuring forest scenes

2. Sombrero Beach

Shady picnic areas, a carpet of white sand and dive sites just meters from the shore have helped cement this popular beach’s reputation as one of the best in the Florida Keys. Bring the family to Sombrero Beach to frolic in the calm water and enjoy beach activities or a barbecue.

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Sombrero Beach featuring a sandy beach and general coastal views

3. Seven Mile Bridge

Once among the longest bridges in the world, the Old Seven Mile Bridge connects Marathon with the southern Keys. Travel along the Overseas Highway to cross this feat of modern engineering and experience the sweeping vistas and incredible photo opportunities. Follow it out and keep going to Pigeon Key, where you can admire the snaking bridge from afar.

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Walk, jog, cycle or drive across one of the longest bridges in North America to take in the scenic ocean views it provides.

4. Dolphin Research Center

For more than half a century, Grassy Key has been home to one of the most progressive and dedicated dolphinariums in the United States: the Dolphin Research Center. The facility comprises a series of enclosed lagoons covering more than 2 acres (0.87 hectares). Swim with the dolphins or learn how to communicate with these exceptional creatures as you discover their gentle and playful nature.

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5. Curry Hammock State Park

Find yourself surrounded by mangrove swamps, thick tropical canopies and a variety of local wildlife as you explore Curry Hammock State Park. Spend a few days camping within the park and bask in the Florida sun on one of its many beaches.

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Curry Hammock State Park featuring a beach and kayaking or canoeing

Recommended things to do in Grassy Key

Number of things to do	11
Things to do from	£9
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Popular places to visit

Everglades National Park

This sprawling wetland park holds a seemingly endless supply of wildlife habitats and enthralling ecosystems.

Sombrero Beach

4.5/5(7 reviews)

Play beach games; go swimming, kayaking or snorkeling; and lounge in the sun at one of Marathon’s most visited beaches.

Seven Mile Bridge

4.5/5(20 reviews)

Walk, jog, cycle or drive across one of the longest bridges in North America to take in the scenic ocean views it provides.

Dolphin Research Center

4.5/5(4 reviews)

Learn about the playful nature of dolphins before swimming alongside these clever marine mammals at this entertaining research facility.

Vaca Key

Commune with nature and explore the great outdoors at Vaca Key during your travels in Marathon. Stroll along the beautiful beaches or discover the area's beautiful sunsets.

Curry Hammock State Park

4.5/5(2 reviews)

Go camping near mangroves, bird-watching beneath a thick canopy or kayaking between the islands of this scenic state park in the Middle Keys.

The Turtle Hospital

5/5(9 reviews)

If The Turtle Hospital is what brings you to town, hopefully you'll have a chance to explore more of Marathon.

Sunset Park Beach

3.5/5(2 reviews)

With a fun and friendly sunset sing-a-long, this beach has community at heart. Chat with the locals on a bench beneath a tiki umbrella and admire the stunning vista.

Crane Point Museum and Nature Center

You can spend an afternoon exploring the galleries in Crane Point Museum and Nature Center in Marathon. Discover the area's beautiful sunsets or seek out its jogging trails.