- Our list of the best things to do in Grassy Key, Florida, features the top 28 nearby activities — including 17 great attractions with user approval ratings of 90% or more!
- Grassy Key, FL has a variety of great sights and experiences nearby. Top categories include: Water Activities, Outdoor Places, Tours, and Sights & Landmarks.
- The results below include the top 0 things to do within the city of Grassy Key, FL , followed by 28 popular activities in nearby cities, including Marathon
For those who love, admire, or just want to learn more about marine creatures, the Dolphin Research Center is the place for you. Partake in activities such as swimming with dolphins, training, researching, exploring, and painting with dolphins.
80% 349 votes
U.S. 1, Mile Marker 56.2, Little Crawl Key, Marathon, FL 33050 MoreLess Info
The Curry Hammock State Park is a public park that offers a number of amenities to its visitors. These include beach access, a hiking/nature trail, a picnic area, and scenic areas for wildlife viewing, among others.
94% 246 votes
Key Colony Beach Marina, MM 53.5, Marathon, FL 33051 MoreLess Info
Main Attraction Charter Fishing is a fishing tour company that offers deep-sea offshore sport fishing charters. Fish that can be caught on excursions include Marlin, Swordfish, Dolphin, Shark, and Wahoo.
Florida Keys Aquarium Encounters is a large scale aquarium that features a wide variety of sea life. The aquarium offers hands-on guided tours, live shark feedings, tarpon feedings, and an interactive touch tank.
89% 522 votes
11833 Overseas Highway, Mile Marker 53, Marathon, FL 33050 MoreLess Info
Captain Hook's Marina & Dive Center has everything you need to spend a day at sea. Go SCUBA diving, rent a boat, tour the aquatic learning center, or spend the day fishing near the nations largest coral reef.
99% 205 votes
11833 Overseas Hwy, Capt. Hooks Marina MM 53 Oceanside, Marathon, FL 33050 MoreLess Info
Florida Keys Reel Adventures offers highly customizable boating and fishing excursions. The company takes guests out off the coast of Marathon for fishing, spearfishing, lobstering and snorkeling, as well as party boat tours.
100% 156 votes
11833 Overseas Hwy mm53, Capt Hooks Marina, Marathon, FL 33050 MoreLess Info
Island Lure Charters offer an array of fishing tours for up to six passengers at a time. Fishing the waters of Marathon, anglers can expect to find barracuda, sharks, tuna, sailfish, wahoo and more.
88% 294 votes
11711 Overseas Highway, Marathon, FL MoreLess Info
With all bait provided by the crew, Marathon Lady Party Boat Fishing offers Florida Keys fishing excursions where visitors can catch snapper, mackerel, and other varieties of fish. The crew helps with replacing bait and cleaning the fish.