Spend a half-day on a two-tank boat excursion from Key Largo into the Florida Keys National Marine Sanctuary. Short transits, guided group dives, and shallow wrecks make this a practical and scenic option for certified divers.
More ways to explore the area's outdoor wonders
The boat rocks gently as the captain motors away from the mangrove-fringed shoreline and the Atlantic opens like a blue margin. Wearing fins and a regulator, divers feel the breeze and salt spray before the weight of the water takes over — two guided dives, a short surface interval, then a second descent into shallow wrecks and spur-and-groove reef.
Difficulty
moderate
Duration
4 hours
Fitness Level
Comfortable swimming ability and basic cardiovascular fitness; able to carry kit up a ladder and do repeated entries/exits.
Wildlife
History
The Florida Keys National Marine Sanctuary, designated in 1990, protects living coral reefs and historic wrecks that have shaped local fishing and diving economies.
Conservation
Diving operators encourage use of mooring buoys, no-touch policies, and reef‑safe sunscreen to limit damage to delicate coral communities.
Reserve your spot on the 2 Dive Scuba Diving Reef Excursion to Key Largo Marine Sanctuary today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring your certification card
Divers must present a current scuba certification card and government ID at check-in — photocopies aren’t accepted.
Hydrate and eat lightly
Drink water before boarding and have a light snack during the surface interval to avoid fatigue or nausea.
Use reef‑safe sunscreen
Apply mineral-based sunscreen and avoid lotions that can damage corals; reapply on deck after dives.
Secure camera gear
If shooting underwater, clip gear to your BCD and use a tether; rinse stations and camera tables are provided on board.
Certification card & photo ID
Required for boarding and to dive — present at check-in.
Wetsuit (3mm–5mm)
Provides thermal comfort in variable tropical temperatures and protection from sun on the surface.
summer
Mask, fins, snorkel
Personal fit reduces leaks and makes surface intervals and in-water comfort better.
Small dry bag or waterproof pouch
Keeps phone, cash, and keys dry on board during dives and transit.