For all ages! • Duration • Morning and Afternoon trips daily
Discover the hidden wonders beneath Key Largo’s waves with a four-hour reef dive or snorkel trip. Explore vibrant coral reefs and historic wrecks in the Florida Keys National Marine Sanctuary, perfect for families and ocean lovers alike.
More ways to explore the area's outdoor wonders
Hang tight — photos are loading
This usually takes just a second.
Difficulty
moderate
Duration
4 hours
Fitness Level
Participants should be in good health, comfortable swimming and handling basic snorkeling or diving in open water.
Wildlife
History
The Florida Keys National Marine Sanctuary was established in 1990 to protect 2,900 square nautical miles of unique marine habitats including one of the only living coral reef systems in the continental U.S.
Conservation
The tour promotes use of reef-safe sunscreen and respectful interaction with marine life to minimize environmental impact and promote reef preservation.
Ocean First Divers
For all ages! • Duration • Morning and Afternoon trips daily
Ocean First Divers is a dive operation based in Key Largo, Florida, offering a range of SCUBA and snorkeling experiences in the Florida Keys National Marine Sanctuary. The business provides instructional courses, guided dives, and private charters that serve beginners through certified divers.
Offerings include a three-day Full Open Water SCUBA class with hands-on training and expert instructors, a one-day Try SCUBA experience and SCUBA Skills Update conducted in Jules Lagoon, an Open Water Referral class for completing SSI open water requirements, specialty programs to expand diver skills, and four-hour reef dive or snorkel charters exploring reefs and wrecks. Private charters are tailored to group preferences and include gear for divers and snorkelers, onboard refreshments, and sun protection.
Instructors and staff guide students through confined water skills, open water dives, and reef tours using local knowledge of Key Largo’s dive sites. Multiple experiences specify that equipment is provided and that charters visit two locations within the National Marine Sanctuary. The referral program supports divers who completed online or confined portions elsewhere, supplying boat charters and guided instruction to finish open water requirements. Ocean First Divers emphasizes safe, structured learning and personalized trips that let guests sample SCUBA before committing to certification.
Schedules include multi-day certification courses and single-day Try SCUBA options, making diving accessible for visitors with varying time frames. Booking is available for groups and individuals. locally operated.
Location
Key Largo, Florida
In the Florida Keys National Marine Sanctuary
Tours Offered
7 experiences
From certification to private charters
SSI Referral
Open water referral
Finish SSI open water requirements
Gear Provided
Equipment available
Try SCUBA, reef dives, and charters
Reserve a Try SCUBA, book a Full Open Water course, or plan a private charter — secure your spot to explore the Florida Keys reef today.
Bring reef-safe sunscreen
Protect the fragile coral ecosystem by using reef-safe sunscreen provided or bringing your own.
Stay hydrated
Bring a water bottle to stay hydrated during the sunny boat trip and underwater activities.
Bring your dive certification card
Certified divers should have their certification card, digital or physical, to join the dive portion.
Wear a rashguard or sunshirt
Protect your skin from sun exposure while on deck and in the water with a lightweight cover-up.
Mask, snorkel, fins
Provided on the trip, but having your own can increase comfort and fit.
summer
Reef-safe sunscreen
Necessary to protect your skin and the coral reefs from harmful chemicals.
summer
Water bottle
Helps you stay hydrated during the trip.
Rashguard or sunshirt
Protects against sunburn during prolonged exposure on deck and in water.
summer