The Catuan is a 33-metre tugboat wreck located off Catalina Island, Dominican Republic. Sunk in 2006, the vessel serves as an artificial reef resting at a maximum depth of 20 metres. The site is accessible by boat and is suitable for both beginner and advanced divers. Conditions are generally favourable with mild currents and visibility ranging between 10 and 20 metres. Water temperatures remain warm throughout the year, fluctuating between 27C and 30C. As a wreck site, divers should be mindful of depth and the structural hazards associated with exploring the vessel.

3. Riff is an underwater mountain formation located off Catalina Island. This site is suited for advanced divers due to its significant depth profile, which ranges from 20 metres to 55 metres. The north side reaches depths of approximately 30 metres, while the south side drops to 55 metres. Access is exclusively by boat. Divers should be aware of the risks associated with deep diving, including nitrogen narcosis. Visibility at the site typically ranges between 18 and 30 metres, with mild currents. Water temperatures remain warm throughout the year, ranging from 26C to 30C. Night diving is permitted at this location.

Nitrox Garden is a reef and wall site located 4600 metres from the shore of Catalina Island. The topography transitions from a reef structure into a wall, with depths ranging from 20 to 40 metres and an average depth of 20 metres. Visibility typically spans 15 to 30 metres. Due to the significant depth, this site is suited for advanced divers who possess solid buoyancy control and gas planning skills. Access is by boat only, and the site experiences mild currents. Divers should remain cautious of surge and swell conditions, as well as boat traffic when surfacing. Night diving is permitted at this location.

Nitrox Garden 2 is a reef-to-wall site located off Catalina Island, Dominican Republic. The topography transitions from a reef at 10 metres to a wall reaching 27 metres, with an average depth of 25 metres. Divers experience mild currents and visibility ranging from 15 to 30 metres. Due to the depth and the nature of the wall, this site is suited for advanced divers with strong buoyancy control. Access is by boat only, located 7000 metres from shore. Water temperatures remain warm throughout the year, between 27 and 30 degrees Celsius. Hazards include the depth and the presence of jellyfish, making full-body exposure protection recommended.

Cabu is a reef site located off Catalina Island, Dominican Republic, accessible only by boat. The site features a reef structure with coral formations and vegetation, reaching depths between 15 and 23 metres with an average of 20 metres. Conditions are generally suitable for intermediate divers, with mild currents and visibility ranging from 5 to 30 metres. Water temperatures remain warm throughout the year, between 27 and 30 degrees Celsius. Divers should be aware of boat traffic and sharp coral. Species recorded around this area include great barracuda, French angelfish, groupers, blue tang, and various wrasses, alongside brain coral.

Picadilly is a reef site located off Catalina Island in the Dominican Republic. Accessible only by boat, the site features a depth range of 13 to 20 metres, with an average depth of 17 metres. Divers can expect mild currents and visibility ranging from 10 to 16 metres. Water temperatures are warm throughout the year, fluctuating between 27C and 30C. The site is suitable for intermediate divers. Potential hazards at this location include the presence of jellyfish. As a boat-based dive, it offers a consistent reef environment for those exploring the local marine topography.

Gabi is a reef site located off Catalina Island, offering a range of depths suitable for beginners. The reef structure extends from 8 metres down to 21 metres, with an average depth of 12 metres. Divers and snorkellers can expect mild currents and visibility ranging from 15 to 30 metres. Water temperatures remain warm throughout the year, between 27 and 30 degrees Celsius. Access to the site is by boat, located approximately 1000 metres from the shore. When exploring the reef, maintain good buoyancy and fin control to avoid contact with sharp coral, which can cause injury and damage the reef structure.

Stingray Point is a reef site located southeast of Boca Chica, accessible only by boat. The site features a reef structure running in a southeasterly direction, where large sandy areas alternate with distinct reef blocks. The mooring buoy is anchored at a depth of 16 metres, with the site reaching depths between 16 and 21 metres. Due to these depths, the site is suited for advanced divers. Conditions include mild currents and visibility ranging from 3 to 20 metres. Water temperatures remain warm throughout the year, fluctuating between 27C and 30C. Night diving is permitted at this location.