Dive Site: Cat Island Walls

About Cat Island Walls

Cat Island Walls provides an exceptional wall diving experience, characterized by its dramatic topography and vibrant marine ecosystem. Located in the Bahamas, this remote destination offers pristine conditions with minimal diver pressure. The wall itself starts at approximately 12 meters, descending thousands of feet into the ocean's depths, and is adorned with impressive coral formations and deep-water gorgonians, especially prominent below 25 meters. Divers here frequently encounter pelagic species, including various sharks and rays, due to the island's oceanic exposure. The unique structure, featuring sheer drop-offs and extensive coral gardens, creates a dynamic environment for exploration. Unlike some other Bahamas shark diving sites, Cat Island provides a 'three-dimensional' experience, where oceanic sharks approach from all directions in blue water. Water temperatures remain warm throughout the year, ensuring comfortable diving, and visibility is consistently excellent, often exceeding 30 to 40 meters. While currents are generally mild, the significant depth profile and open-ocean exposure necessitate advanced training and precise buoyancy control. Cat Island Walls is typically accessed via liveaboard itineraries or limited resort options, making it a destination for those seeking serious, unspoiled wall diving with exciting pelagic action.

Dive site facts: Cat Island Walls

Depth

12–3000 feet

Typical dive

12–30 m, 45–55 min

Current

Mild to occasional strong

Visibility

30–40 m (100–130 feet)

Water temperature

24–29°C (75–84°F)

Entry

Boat

Level

Advanced

Dive type

Wall, pelagic, shark

Night dive

Possible

Region / port

Cat Island, Bahamas

Coordinates

24.15, -75.4333

Conditions & Currents

Currents at Cat Island Walls are generally mild, though the open oceanic environment can lead to occasional stronger movements along the wall face. Divers should be prepared for potential drift and maintain excellent buoyancy control due to the vertical nature of the site and the significant depth. Entry is typically by boat, with divers descending onto the reef plateau before exploring the wall. Visibility remains consistently exceptional, often exceeding 30 to 40 meters, and is rarely impacted by rainfall. No significant thermoclines are noted, but divers must manage their gas meticulously given the deep wall environment.

Marine life & sighting chances

Oceanic whitetip shark

March–June · common

Caribbean reef shark

common

Eagle ray

occasional

Grouper

common

Black coral

common

Barracuda

occasional

Green turtle

occasional

Nurse shark

occasional

Parrotfish

common

Angelfish

common

Dive profile & how the dive runs

Dives at Cat Island Walls typically commence with a boat entry, positioning you above the reef plateau at around 12 meters. From this point, you descend directly onto the wall, which plunges into the deep abyss. A common route involves tracing the wall, exploring its dramatic features and observing the diverse marine life in the blue. You'll likely descend to depths of 25-30 meters or more, depending on your certification and gas supply, to appreciate the extensive black coral gardens and large sponges. The dive profile involves staying close to the wall but also looking into the open ocean for pelagic encounters. The turning point is dictated by your air consumption and no-decompression limits. The ascent occurs gradually along the wall, completing your safety stop on the shallower reef plateau before surfacing for boat pick-up.

Underwater photography

Cat Island Walls offers exceptional prospects for wide-angle underwater photography, particularly when aiming to capture the sheer scale of the wall drop-off and the frequent pelagic interactions. A fisheye lens is highly recommended to encompass the dramatic vertical features and the expansive blue water. The outstanding visibility ensures powerful ambient light, but strobes are essential to accurately render the vibrant colors of black corals, sponges, and schooling fish. For creating striking silhouettes against the open ocean, the crystal-clear water is ideal. Maintaining impeccable buoyancy control is crucial to avoid disturbing delicate deep-water corals and to maintain stable positions when photographing fast-moving pelagic species. Consider bringing a video camera to document the unique wall topography and the thrilling shark encounters.

Combine with nearby dive sites

• San Salvador Wall

  A pristine wall dive also known for pelagic encounters.

• The Washing Machine

  A thrilling drift dive with strong currents.

• Tiger Beach

  Renowned for reliable tiger shark encounters in shallow waters.

• Dean's Blue Hole

  The world's second deepest blue hole, offering unique freediving and technical diving.

• Andros Barrier Reef

  The third-largest barrier reef system in the world with diverse marine life.

• Exuma Cays Land & Sea Park

  A protected marine reserve with pristine reefs and abundant life.

Getting there & logistics

Access to Cat Island Walls typically involves flying into Nassau (Lynden Pindling International Airport, NAS) then taking a domestic flight to New Bight Airport (TBI) on Cat Island. Alternatively, some flights may arrive directly via MakersAir from the US. Most diving is arranged through local resorts or liveaboard itineraries that include Cat Island as part of a multi-day trip. Trip lengths vary, but liveaboards often offer week-long excursions combining several remote sites. While there are no specific marine park fees mentioned for this site, general Bahamian departure taxes apply. It's advisable to check with your dive operator for any local fees or permits.

Safety & environment

Diving at Cat Island Walls requires careful attention to safety due to its significant depths and open-ocean exposure. Divers should possess advanced certification and excellent buoyancy control. The nearest recompression chamber is located on San Salvador Island, which is a key consideration for emergency planning, though this is a remote destination and evacuation can be complex. Dive insurance covering emergency medical treatment and evacuation is highly recommended. Specific hazards include potential stronger currents along the wall face and encounters with large pelagic sharks, which necessitate remaining calm and following guide instructions. Always adhere to your dive plan and monitor your no-decompression limits carefully.

Who it suits — and who it doesn't

FAQ

Cat Island Walls FAQ

Liveaboards diving Cat Island Walls

These liveaboards may visit Cat Island Walls 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