- The list below includes 20 free or cheap things to do in or near Grassy Key, Florida, including 15 different types of inexpensive activities like Fishing, Nature & Wildlife Areas, Movie Theaters and National & State Parks.
- From Curry Hammock State Park to Main Attraction Charter Fishing, there are a variety of budget-friendly attractions in Grassy Key and in nearby cities within 25 miles like Marathon.
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.
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.
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.
Featuring kayak and paddle board rentals, Keys Kayak LLC organizes eco-tours through the waterways and mangrove forests of the region. During the tour, visitors will travel through narrow mangrove tunnels while spotting wildlife like manatees and crabs.
96% 95 votes
Marathon, FL MoreLess Info
Captain Doug Kelley Florida Keys Fishing Charter - Private Tours offers customizable deep sea charter fishing trips. Trips might focus on dolphin, swordfish, kingfish, sailfish, or marlin. All trips are led by an experienced guide.
Marathon Kayak takes guests on a boating adventure through the back waters of the Mangrove Islands. The experience is adventurous and relaxing and the company offers an array of tour experiences including customized groups tours and private tours.