Snorkel a shallow sanctuary reef with rental gear included
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2.5 Hours
Mask, fins, safety vest
Spend 2.5 hours snorkeling a shallow coral reef inside the National Marine Sanctuary near Key Largo. Your captain selects the best reef for the day, with reefs averaging 6–8 ft.
Snorkelers under 18 must book with an adult. Smoking or vaping is forbidden on board, and you cannot be intoxicated prior to trip time.
Full refund with 48 hours notice prior to trip time. No refunds for no-shows, late arrival, missing the boat, or if you are intoxicated and not allowed to board. Operator may cancel or reschedule due to weather or other reasons; full refund if the operator cancels.
No. Rental gear includes a mask, fins, and a safety vest; a snorkel is not included.
Reef-safe lotion sunscreen only. Spray sunscreen isn’t allowed on board.
Small coolers and backpacks are welcome, but glass bottles or other glass items aren’t allowed.
Key Largo, FL
Sundiver consistently delivers excellent snorkeling experiences in Key Largo, with reviewers raving about the professionalism and friendliness of the entire operation. Captains like Joe, Rick, and Mike, along with crew members Justus, Liber, and Ashley, get called out repeatedly for being knowledgeable, safety-conscious, and genuinely helpful. First-timers particularly appreciate how the crew puts them at ease and provides clear instructions for navigating the reefs. The operation runs smoothly from check-in through equipment distribution, maximizing your time in the water. The snorkeling itself is impressive, with guests spotting everything from colorful parrotfish and barracuda to stingrays at shallow, easily accessible reefs. The company emphasizes reef conservation and responsible tourism, which resonates with visitors. Equipment is well-maintained, boats are clean and safe, and the overall experience feels professionally run without being impersonal. Several reviewers mention returning multiple times, which speaks to the consistency of the experience. If you're in the Keys and want a reliable, well-organized snorkeling trip with a crew that genuinely cares about both guests and the reef, this is a solid choice.
What a great day 🎉. Beautiful weather, friendly people, beautiful Florida. My daughter and I got to go snorkeling at the reef for the first time and it was absolutely worth it. We got to see beautiful fish, and have a wonderful experience. I recommend Sundiver Snorkel Tours to everyone.
Nathanael Barnes
March 29, 2026
What a great day 🎉. Beautiful weather, friendly people, beautiful Florida. My daughter and I got to go snorkeling at the reef for the first time and it was absolutely worth it. We got to see beautiful fish, and have a wonderful experience. I recommend Sundiver Snorkel Tours to everyone.
Nathanael Barnes
March 29, 2026