The Aquarium is a marine reef site located 16 kilometres off the coast of Catalina Island in the Dominican Republic. This site is suitable for beginners, featuring a shallow reef environment with depths ranging from 5 to 12 metres and an average depth of 10 metres. Access is by boat only. Divers can expect mild currents, though surge is a known hazard at this location. Visibility typically fluctuates between 5 and 15 metres. Water temperatures remain warm throughout the year, averaging 28 degrees Celsius. Typical dives at this site last approximately 60 minutes.

Catalina Aquarium is a shallow reef located 2500 metres off the coast of Bayahibe. With an average depth of 9 metres, ranging between 8 and 12 metres, this site is well-suited for beginners and snorkellers. Divers experience mild currents and visibility between 10 and 20 metres. Water temperatures remain consistent throughout the year, ranging from 27 to 30 degrees Celsius. Access is exclusively by boat. When navigating the reef, be aware of hazards including sharp coral, sea urchins, and lionfish. Guided tours are available to assist with site navigation and identifying these features. Typical dives last approximately 50 minutes.

Santa Catalina Wall is a prominent reef and drop-off site located off the coast of Bayahibe. The topography features an extensive wall that descends from 5m to 45m, with an average depth of 15m. Divers typically experience mild currents and visibility ranging from 10m to 30m. The site is accessible only by boat, situated 16km from the shore. Due to the depth and potential for down currents or strong surge, this site is suited for intermediate divers. Facilities available in the area include guided tours, equipment rental, and air fills. Typical dives at this location last approximately 40 minutes.

Catalina Island, located off the coast of Bayahibe, offers a diverse marine environment featuring both reef and wall topography. The site is suitable for beginners, with depths ranging from 5 to 40 metres and an average depth of 12 metres. Divers access the site by boat, which is required due to its location 2400 metres from the shore. Conditions are generally stable with mild currents and visibility between 10 and 30 metres. Water temperatures remain warm throughout the year, ranging from 26 to 30 degrees Celsius. Typical dives last approximately 40 minutes. Hazards include boat traffic and sharp coral. Equipment rental and guided tours are available for visitors.

Catalina The Wall in Bayahibe is a vertical reef structure that begins at a shallow depth of 6 metres and descends to 20 metres. This site is accessible only by boat and is suited for intermediate divers. Visibility typically ranges from 10 to 30 metres, with mild currents that can occasionally increase in strength. Divers should remain attentive to potential surge and swell conditions when entering the water. Water temperatures remain consistent between 27 and 30 degrees Celsius throughout the year. Night diving is available at this location, and guided tours are provided for those exploring the wall face.

The Coca Wreck is a combined wreck and reef dive site located off the coast of Bayahibe. Divers typically explore the site at depths ranging from 14 to 22 metres, with an average depth of 16 metres. Access to the site is by boat only. Conditions are generally mild, with visibility reaching approximately 15 metres. The water temperature remains warm throughout the year, fluctuating between 27C and 30C. Due to the nature of the wreck, divers should be aware of potential hazards including entanglement and sharp coral structures. This site is suitable for beginner divers.

Dominicus Reef is a marine reef site located 300 metres off the coast of Bayahibe. The site is suitable for beginners, with an average depth of 16 metres and a typical range between 14 and 18 metres. Divers access the reef via boat, which is required for this location. Conditions are generally mild, with visibility ranging from 10 to 30 metres and water temperatures between 27 and 30 degrees Celsius. Divers should be aware of sharp coral present on the reef. Local facilities include dive shops offering air fills and boat charters for those planning a visit.

The Atlantic Princess is a wreck site located off the coast of Bayahibe, Dominican Republic. Resting at an average depth of 12 metres, the vessel serves as an artificial reef and is accessible only by boat. The site features depths ranging from 1 to 13 metres, making it suitable for beginners. Divers and snorkellers can expect mild currents and visibility between 15 and 30 metres. Water temperatures remain warm throughout the year, ranging from 27C to 30C. As an overhead environment, the wreck requires appropriate caution during exploration. Typical dives at this location last approximately 40 minutes.