Dive Site: Captain Bill Blue Hole

About Captain Bill Blue Hole

Captain Bill Blue Hole is a significant natural feature located within the Central Andros Bluehole National Park in the Bahamas. This impressive waterhole boasts a circumference of 440 feet and plunges to a depth of 100 feet, making it a captivating dive and snorkel destination. The site is known for its unique blend of freshwater and saltwater layers, creating distinct aquatic environments within its cavern-like passages. The blue hole's topography includes both open-water access and extensive underwater cave systems that challenge and intrigue divers. The surrounding national park is rich in terrestrial wildlife, contributing to a holistic natural experience even before entering the water. Divers can expect to navigate through these intricate formations, observing how different marine and freshwater organisms coexist. While the Bahamas generally offers excellent visibility and warm waters year-round, conditions at Captain Bill Blue Hole are particularly inviting. The warm, brackish water is noted for its comfortable temperature and buoyant properties. This site provides an opportunity to witness a transition zone where ecosystems merge, attracting a diverse range of species adapted to these specific conditions. Access to Captain Bill Blue Hole is relatively easy, with a convenient platform for entry. The dive experience here often involves exploring the cavern passages with lights, observing the interactions between fresh and salt water, and appreciating the unique geological formations. It's a site that appeals to those looking for a combination of natural beauty, geological wonder, and a distinctive aquatic environment.

Dive site facts: Captain Bill Blue Hole

Depth

Up to 30 m

Current

Mild to none

Visibility

20–40 m

Water temperature

22–29°C

Entry

Platform / Giant stride

Level

Intermediate

Dive type

Blue hole, cavern, unique ecosystem

Region / port

Andros, Bahamas

Coordinates

24.61, -77.74

Conditions & Currents

Currents are generally not a prominent feature within Captain Bill Blue Hole itself, making it a relatively calm environment for exploration. However, general Bahamian dive conditions suggest that while currents are not the norm, experience beyond a beginner level is recommended for maximum enjoyment, especially considering the nature of the wildlife and potential exposure on approaches to the site. The interaction of fresh and salt water within the blue hole can create unique buoyancy experiences but does not typically involve strong directional currents. Visibility is often excellent, ranging from 20 to 40 meters, though heavy rainfall in the wet season could reduce clarity in nearshore environments. Thermoclines are generally not significant in the Bahamas, with water temperatures remaining consistent from surface to depth.

Marine life & sighting chances

Wild Hogs (terrestrial)

occasional

Land Crabs (terrestrial)

occasional

White Crowned Pigeons (terrestrial)

occasional

Endemic Wildlife (terrestrial)

occasional

Aquatic Life

common

Various fish species

common

Dive profile & how the dive runs

Divers typically enter Captain Bill Blue Hole with a giant stride from a platform, directly into the clear, warm water. The initial descent is into the open area of the blue hole, which quickly leads to a large, deep cavern-like passage. The dive progresses by exploring the various formations and ledges within this cavern. Divers should bring dive lights to fully appreciate the inner sections and observe the unique interaction between the freshwater surface layer and the saltwater deeper down. The route involves navigating through these passages, maintaining good buoyancy to avoid stirring up silt. The dive typically turns once divers have explored the main cavern system and its features, ascending slowly along the walls back towards the entry point. The safety stop can be comfortably conducted in the upper, shallower part of the blue hole.

Underwater photography

Captain Bill Blue Hole offers unique photography opportunities due to its distinct freshwater and saltwater layers and cavernous environment. For wide-angle shots, a fisheye lens is excellent for capturing the scale of the blue hole's opening and the cavern passages. Due to the limited natural light in deeper sections, strobes or powerful video lights are essential for illuminating subjects and restoring color. Focus on the geological formations, the unique aquatic life adapted to the brackish water, and the intriguing visual effects created by the mixing water layers. Divers should practice excellent buoyancy control to avoid disturbing the bottom or walls, which can quickly reduce visibility for photos. Remember to capture the dramatic contrast between the sunlit surface and the darker, mysterious depths, perhaps with a diver silhouette.

Combine with nearby dive sites

• Angelfish Blue Hole

  Angelfish Blue Hole, an advanced dive site located in an enclosed bay off Stocking Island, is a distinct dark blue circle against the…

• Stargate Blue Hole

  Stargate Blue Hole, located in South Andros, is a renowned inland blue hole celebrated for its distinctive light effects, where sun rays…

• 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…

• Lost Blue Hole

  The Lost Blue Hole, situated off Andros Island and approximately 16 kilometers (10 miles) east of Nassau, presents a unique and captivating…

• 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…

• 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…

Getting there & logistics

Captain Bill Blue Hole is located on Andros, an island in the Bahamas. To reach Andros, travelers typically fly into one of the two international airports in the Bahamas: Lynden Pindling International Airport (Nassau) or Grand Bahama International Airport (Freeport), then connect via domestic flights to Andros. Liveaboards operating in the Exuma Cays or wider Bahamas region may include Andros on their itineraries, especially during the dry season. Resort-based diving is also popular on Andros, with local dive operators arranging trips to blue holes. It is advisable to arrive a day before any scheduled dive trip to allow for rest and to account for any travel delays. There is a Departure Tax of approximately $20 when leaving the Bahamas.

Safety & environment

Diving at Captain Bill Blue Hole requires adherence to standard safe diving practices, with particular attention to cave or cavern diving protocols if exploring beyond the sunlit zone. Always dive with a qualified guide familiar with the site, especially if venturing into passages. Proper dive planning, including gas management and contingency plans, is crucial. While currents are generally mild, the unique buoyancy characteristics of fresh and saltwater mixing should be understood. The nearest recompression chamber is likely located in Nassau. Evacuation from Andros to Nassau would typically be by air, highlighting the importance of comprehensive dive insurance that covers emergency medical treatment and evacuation. Respect the protected status of the Blue Holes National Park; take all trash with you and avoid disturbing the environment.

Who it suits — and who it doesn't

FAQ

Captain Bill Blue Hole FAQ

Liveaboards diving Captain Bill Blue Hole

These liveaboards may visit Captain Bill Blue Hole 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