Dive Site: Andros Barrier Reef

About Andros Barrier Reef

The Andros Barrier Reef, located off Andros Island in the Bahamas, is the third-largest barrier reef system globally, stretching over 140 miles. This extensive reef is a sanctuary for diverse marine ecosystems, providing exceptional diving and snorkeling opportunities. Its unique topography includes shallow coral gardens for beginners that transition dramatically into vertical walls, most notably the Tongue of the Ocean, a deep oceanic trench plunging over 6,000 feet. The reef teems with kaleidoscopic corals and a rich variety of marine life. Divers can expect to encounter species such as Nassau groupers, stingrays, Caribbean reef sharks, and schooling pelagics like snapper and jack. The undisturbed nature of the reef, due to Andros Island's low population and lack of large resorts, contributes to its remarkable health and abundance of sea life. Diving conditions are excellent year-round, with consistently warm water temperatures and exceptional visibility often exceeding 100 feet. The dry season from November to May offers the most stable weather and clearest waters, making it the optimal time for exploration. Divers can access numerous sites, from shallow shore dives to deep wall dives, and even explore unique blue holes and wreck sites scattered around Andros. This destination caters to all skill levels, offering experiences from vibrant shallow reefs perfect for novice divers to challenging technical dives in blue holes. Whether through daily boat excursions or liveaboard trips to more remote locations, the Andros Barrier Reef promises an unforgettable underwater adventure in a largely untouched marine paradise.

Dive site facts: Andros Barrier Reef

Depth

5–1829 m

Typical dive

12–30 m, 50–60 min

Current

Mild to moderate

Visibility

18–45 m

Water temperature

24–31°C

Entry

Boat / Shore

Level

All levels

Dive type

Reef, Wall, Wreck, Blue Hole

Night dive

Possible

Region / port

Andros Island, Bahamas

Coordinates

24.7, -77.75

Conditions & Currents

Currents around the Andros Barrier Reef are generally mild, particularly on the shallow reef sections. However, conditions can vary, with stronger currents sometimes experienced during the wet season from June to October, or when diving the dramatic wall drop-offs into the Tongue of the Ocean. Visibility is typically excellent, ranging from 60 to 150 feet, but can be reduced following heavy rainfall. Water temperatures remain warm throughout the year, from 24°C (75°F) in winter to 29°C (85°F) in summer, meaning thermal protection requirements are minimal. Divers should be prepared for potential changes in surface conditions, especially during the hurricane season, and always consult local dive operators for the most current site-specific information and guidance on entry and exit procedures.

Marine life & sighting chances

Nassau Grouper

common

Stingray

common

Caribbean Reef Shark

common

Parrotfish

common

Sea Turtle

occasional

Snapper

common

Jack

common

Angelfish

common

Butterflyfish

common

Spinner Dolphin

occasional

Tarpon

occasional

Squirrelfish

common

Nurse Shark

occasional

Dive profile & how the dive runs

Dives on the Andros Barrier Reef often begin with a boat entry onto the shallow reef plateau, typically around 10-15 meters deep. From there, divers explore vibrant coral gardens and swim through small canyons before approaching the dramatic drop-off into the Tongue of the Ocean. For wall dives, the profile descends along the vertical face, following the reef down to depths of 30 meters or more, depending on experience and gas limits. Many sites feature overhangs and small caves where marine life congregates. The dive typically turns at a pre-determined depth or air consumption, ascending gradually back up the wall to explore shallower sections. The safety stop is usually conducted on the top of the reef at 5 meters, offering ample opportunity for observing colorful fish and hard corals.

Underwater photography

The exceptional visibility and diverse topography of the Andros Barrier Reef make it an outstanding location for underwater photography. Wide-angle lenses are ideal for capturing the expansive coral formations, dramatic wall dives into the Tongue of the Ocean, and large pelagic encounters such as Caribbean reef sharks and schooling fish. External strobes are highly recommended to bring out the vibrant colors of the corals and marine life, especially at deeper sections of the wall. For macro enthusiasts, there are plenty of small critters, colorful sponges, and nudibranchs hiding within the reef structures, requiring a macro lens. Patience and good buoyancy control are essential to avoid disturbing the delicate coral ecosystems and to compose clear, well-lit shots in varying light conditions.

Combine with nearby dive sites

• Great Blue Hole Andros

  The Great Blue Hole on Andros is a captivating inland blue hole that acts as a gateway to an extensive subterranean cave network, setting…

• Tongue of the Ocean Wall

  The Tongue of the Ocean Wall, located off New Providence near Nassau, represents a spectacular natural phenomenon—a deep oceanic trench…

• Alec's Cavern

  A cavern dive on Andros Island

• The Barge/Coliseum

  A World War 2 artificial reef

• Ray of Hope

  A notable wreck site near Andros

• Blue Holes National Park

  Home to numerous inland blue holes

Getting there & logistics

Access to Andros Island, and thus the barrier reef, typically involves flying into Lynden Pindling International Airport (NAS) in Nassau. From Nassau, you can take a short commuter flight to one of Andros's smaller airports or opt for a ferry ride. Many dive operations, such as Small Hope Divers, are based directly on Andros, offering daily boat excursions to the reef. Liveaboards also provide comprehensive itineraries that often include Andros, allowing access to more remote sites and combining with other Bahamian dive destinations. Trip lengths can vary from a few days of resort-based diving to week-long liveaboard adventures. As of now, there are no specific permits required for diving the main barrier reef, though some blue hole explorations may require specialized guides.

Safety & environment

Diving the Andros Barrier Reef requires adherence to standard safety protocols. While there are dive centers like Only Blue Diving Center on San Salvador Island with hyperbaric chambers, the nearest chamber directly on Andros for recompression is not explicitly stated. Divers should always carry comprehensive dive insurance that covers emergency medical evacuation, as getting to advanced medical facilities from remote parts of Andros can be challenging. Site-specific hazards include potential currents, especially on wall dives, and the deep environments of the Tongue of the Ocean and blue holes which demand appropriate training and experience. Always dive within your certification limits, follow your guide's instructions, and conduct thorough pre-dive safety checks. Respect marine life by observing from a distance and never touching corals or other organisms.

Who it suits — and who it doesn't

FAQ

Andros Barrier Reef FAQ

Liveaboards diving Andros Barrier Reef

These liveaboards may visit Andros Barrier Reef on selected itineraries — the exact dive sites depend on departure, weather and conditions.

All Star Blackbeards Morning Star

Bahamas

24 guests19.81 m

$156/day

Bahamas Aggressor II

Bahamas

20 guests33.5 m

$328/day

Blue Marlin

Bahamas

26 guests42 m

$318/day

All Star Aqua Cat

Bahamas

30 guests31.09 m

$312/day

All Star Cat Ppalu

Bahamas

12 guests20 m

$237/day