Colombier Bay in Saint Barthelemy features a diverse underwater topography including reef, seagrass, and wall formations. Depths range from 8 to 21 metres, with an average of 4 metres, making it suitable for beginners. Divers and snorkellers can observe common species such as groupers, queen parrotfish, stoplight parrotfish, blue tang, redband parrotfish, foureye butterfly fish, wrasses, and Caribbean ocean surgeonfish. Less frequently encountered species include French angelfish, nurse shark, Spanish hogfish, rock cod, whiptail stingray, and striped parrotfish. The site is accessible by both shore and boat, with visibility typically between 20 and 30 metres. Be aware of potential hazards including boat traffic, sea urchins, strong currents, and surf.

The Kayali is an artificial reef located off Pain de Sucre, Saint Barthelemy. This wreck reaches a maximum depth of 30 metres, requiring advanced certification and precise buoyancy control. Divers access the site exclusively by boat, experiencing mild currents and visibility ranging from 20 to 30 metres. The structure provides a habitat for various marine life, though caution is advised regarding sharp edges and entanglement risks. Water temperatures remain between 27 and 30 degrees Celsius. Species recorded around this area include French Angelfish, Nurse Sharks, and various parrotfish. Divers should watch for lionfish while exploring the wreck.

Pain de Sucre is a reef dive located 1500 metres off the coast of Saint Barthelemy. The site features a reef structure that descends to depths between 20 and 28 metres, with shallower sections suitable for beginners. Divers experience mild currents and visibility ranging from 20 to 30 metres. Water temperatures remain warm throughout the year, fluctuating between 27C and 30C. Access to this site requires a boat. Species recorded around this area include French Angelfish, Rock Beauty, Nurse Shark, Blue Tang, Caribbean Ocean Surgeonfish, various wrasses, whiptail stingray, Pacific trumpetfish, foureye butterfly fish, stoplight parrotfish, queen parrotfish, and groupers.

La Baleine is a reef site located 1500 metres off Pain de Sucre, Saint Barthelemy. Accessible only by boat, the site features a reef structure ranging from 7 to 25 metres in depth, with an average depth of 12 metres. Conditions are generally manageable with mild currents and visibility between 15 and 30 metres. Water temperatures remain warm throughout the year, fluctuating between 27 and 30 degrees Celsius. Divers and snorkellers should exercise caution regarding sharp coral, rocks, and sea urchins. Briefings from local operators are recommended to manage potential hazards, including the presence of sharks and jellyfish. Typical dives last approximately 45 minutes.

Gros Ilets, located near Pain de Sucre, offers a combined wreck and reef experience suitable for beginner divers. The site features depths ranging from 7 to 17 metres, with an average depth of 12 metres. Divers can expect visibility between 20 and 30 metres and mild currents. Access is exclusively by boat, situated 500 metres from the shore. Due to the presence of sharks and potential boat traffic, divers should remain vigilant and follow local guide instructions. The water temperature remains warm throughout the year, typically between 27 and 30 degrees Celsius.

Aquarium Gros Ilets is a reef dive located 500 metres off Pain de Sucre, Saint Barthelemy. The site features depths ranging from 5 to 14 metres with an average of 10 metres, making it suitable for beginner divers. Divers navigate through a topography that includes caves and swim-throughs, requiring careful buoyancy control. Conditions are generally calm with mild currents and visibility between 20 and 30 metres. Water temperatures remain warm throughout the year, ranging from 27 to 30 degrees Celsius. Access is by boat only. Divers should remain aware of boat traffic and deploy a signal tube before surfacing to ensure visibility.

Ile Fourchue is a boat-access site located 3000 metres off the coast of Saint Barthelemy. The topography features a combination of natural and artificial reef structures, offering depths between 5 and 20 metres with an average of 15 metres. Visibility typically ranges from 20 to 30 metres, and water temperatures remain warm between 27 and 30C. The site is suitable for beginners and features a mild drift, allowing for relaxed exploration. Divers should be aware of lionfish in the area and maintain a safe distance from crevices. While currents are generally mild, they can strengthen unexpectedly, so confirm conditions with your dive operator before departure.

Grand Cul-de-Sac is a shallow lagoon located on the northeast coast of Saint Barthelemy. Featuring a mix of seagrass meadows and coral reef, the site reaches depths of 1 to 6 metres with an average of 3 metres. It is accessible via a shore entry and is well-suited for beginners due to the mild currents. Snorkellers should remain aware of boat traffic and surf conditions in the area. Species recorded around this area include French Angelfish, Nurse Sharks, Great Barracuda, Blue Tang, and various wrasses. Parking and equipment rental are available nearby.