When you think of Islamorada, you probably picture turquoise waters, soft breezes, and salty air, and you’re right. But just beneath the surface lies a whole other world that’s equally breathtaking. Whether you’re a first-time snorkeler or someone who’s practically part fish, Islamorada is one of the best destinations in the Florida Keys to snorkel.
And here’s the best part, you don’t need to be a pro or have fancy gear. The waters here are welcoming, warm, and filled with life. From coral reefs and shipwrecks to sandbars and turtle sightings, there’s something for every kind of explorer.
We’ve rounded up the Top 10 Places to Snorkel in Islamorada, ranked from #10 to the very best at #1, and trust us, you’ll want to make your way down this list, one fin kick at a time.
Top 10 Places to Snorkel in Islamorada
10. Hens and Chickens Reef
A diver swims past colorful soft corals attached to the wreck at Hen and Chickens Reef. Photo: Matt Lawrence/NOAA
Beginner-Friendly, Fish-Filled, and Absolutely Charming
– A shallow patch reef located just offshore.
– Named for its unique coral formations resembling a hen surrounded by chicks.
– Perfect for families and beginners due to its calm waters and shallow depth.
– Expect to spot angelfish, spiny lobsters, parrotfish, and even sea fans waving with the current.
– Best accessed by private boat or local tour providers.
9. Cheeca Rocks
Close to Shore, Big on Underwater Surprises
– Part of the Florida Keys National Marine Sanctuary.
– Easily accessible via guided tours from Cheeca Lodge or nearby resorts.
– Known for vibrant coral colonies, sea turtles, and occasional nurse shark sightings.
– Offers clear visibility and calm conditions.
– Great for a quick afternoon snorkel with family or friends.
8. San Pedro Underwater Archaeological Preserve
Snorkel Through a Spanish Shipwreck
– Located just off Lower Matecumbe Key.
– Home to the wreck of a 1733 Spanish galleon named San Pedro.
– Features replica cannons and anchors surrounded by marine life.
– Depth: about 18 feet – great for confident snorkelers who want a dash of history.
– Offers a one-of-a-kind blend of culture, adventure, and aquatic beauty.
7. Islander Girl Snorkel & Tours
Women-Owned, Eco-Focused, and Seriously Fun
– Tours depart from the Islander Resort.
– All-female crew offers guided snorkeling trips with reef education and conservation tips.
– Tour stops vary by day but often include healthy coral reefs and sandbar swims.
– Small-group sizes for a personalized experience.
– Gear, floatation vests, and refreshments included.
6. Whale Harbor Sandbar
Where Social Meets Snorkel
– Not your traditional reef — but a great place to snorkel in calm, shallow waters.
– Explore seagrass beds teeming with tiny fish, rays, and sometimes even starfish.
– Popular with boaters and partiers — but you can find quiet corners too.
– Ideal for a laid-back snorkel and soak-up-the-sun kind of day.
– Bring your own gear or book a boat tour that includes sandbar stops.
5. Islander Resort Snorkeling Tours
Convenient and Scenic All in One
– Direct departures from the Islander Resort dock.
– Visit nearby reefs with clear waters and colorful marine life.
– Family-friendly tours with easy boarding and shaded areas onboard.
– Helpful staff make it a smooth and safe ride for snorkelers of all levels.
– Perfect if you’re staying at the resort or just want a streamlined experience.
4. Alligator Reef Lighthouse
The Crown Jewel of Islamorada Reefs
– Located four miles offshore — worth every minute of the boat ride.
– Over 500 species of marine life, including butterflyfish, grunts, rays, and turtles.
– Depth ranges from 5 to 25 feet — ideal for both snorkelers and freedivers.
– The lighthouse structure itself is iconic and makes for stunning photos.
– Visibility is usually excellent; book a tour on a calm day for best conditions.
3. KeyZ Charters
Private, Custom, and Completely Yours
– Departs from Robbie’s Marina.
– Customize your experience: pick the reef you want to visit or let the captain decide.
– Flexible departure times and laid-back, no-rush vibe.
– Great for couples, families, or anyone wanting a quieter, more personal snorkeling trip.
– Ideal for photographers or wildlife lovers who want to linger longer.
2. Sundance Watersports
Big Catamaran, Big Adventure
– Also based at Robbie’s Marina — offering intimate snorkel tours for groups up to 6.
– Ride aboard “The Blue,” a spacious 65-ft catamaran with shaded areas, outdoor showers, and a full restroom.
– 2.5-hour snorkeling excursions to top local reefs like Alligator or Cheeca Rocks.
– Rates: $65 adults, $55 kids 12 and under, $55 ride-alongs, free for children 3 & under.
– Gear, instruction, and friendly crew included — a top pick for families and groups.
1. Robbie’s of Islamorada
The Ultimate Snorkeling Experience in the Florida Keys
– If you’re only going to snorkel once in Islamorada, this is where you do it.
– Home to the famous tarpon feeding docks, artisan market, Hungry Tarpon restaurant — and of course, epic snorkeling tours.
– Two trips daily: 10:00 AM and 1:30 PM, lasting 2.5 hours.
– All gear provided: snorkel, mask, fins, and vest.
– Boats depart to Alligator Reef, where you’ll snorkel in crystal-clear water among coral, fish, and the iconic lighthouse.
– Combine your snorkel with a dockside lunch, a stroll through the open-air market, or an unforgettable moment feeding massive silver tarpon.
Conclusion
Islamorada is more than just a scenic stop on the Overseas Highway, it’s a living, breathing underwater wonderland. Whether you’re snorkeling a historical shipwreck or floating beside a lighthouse in a sea of fish, every location on this list offers something special.
If you’re looking for the best places to snorkel in Islamorada, start from the bottom of this list and work your way up, but definitely don’t miss out on Robbie’s. It’s where adventure meets local charm and where memories (and GoPro footage) are made.
So what are you waiting for? Grab your mask, hop on a boat, and start your Islamorada snorkeling journey today.