The Best Outdoor Activities in Marathon

Snorkeling is fun, safe, and easy aboard the Sundiver III. Join us for a 2.5 hour underwater tour to the shallow, inner, coral reefs located at the "World Famous" Key Largo National Marine Sanctuary, also known as the original John Pennekamp State Park. Our friendly crew specializes in kids, families, and first time snorkelers. You will be absolutely amazed at the underwater world that lives just offshore of Key Largo. High quality rental gear (mask, fins, float vest) is INCLUDED with all snorkel tours provided by Sundiver. **NOT INCLUDED: SNORKELWe sell very affordable high quality souvenir snorkels made of 100% silicone available in many colors. Available for purchase during check in.

We visit some of the most pristine and famous snorkel sites in the Key Largo Marine Sanctuary on our BRAND NEW 2022 45' snorkel boat, and guarantee our Captain & Crew will make your Key Largo snorkel excursion safe and fun for the whole family. Our staff are highly trained dive professionals who love the ocean and are happy to assist with gear setup, snorkel site information and local area recommendations. Our dive & snorkel facility is only about an hour away from Miami, making it the closest dive shop to the mainland. Our average time to reach most of Key Largo's best reef sites including the famous Christ of the Abyss is just 30 minutes from our shop. Our dive shop, gift shop, bathrooms, showers, tiki and snorkel boats are all located on our property facing the ocean so you waste 0 time after arriving at our dive and snorkel center before heading out to your reef snorkel adventure!