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.

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.

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.

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.

Parede is a round reef formation located off Catalina Island, offering a straightforward dive suitable for beginners. The site features a topography of reef outcrops rising from a maximum depth of 20 metres to a shallowest point of 10 metres, with an average depth of 15 metres. Divers access the site via boat. Conditions are generally stable with mild currents and visibility ranging between 15 and 30 metres. Water temperatures remain warm throughout the year, fluctuating between 27 and 30 degrees Celsius. As a deep reef environment, divers should remain mindful of their depth during the excursion.

Roccadilly is a reef site located off Catalina Island in the Dominican Republic. Accessible only by boat, the site features a depth range of 12 to 21 metres, with an average depth of 18 metres. Divers typically spend 45 minutes exploring the topography. Conditions are generally favourable, with mild currents and visibility ranging from 15 to 30 metres. Water temperatures remain warm throughout the year, fluctuating between 27C and 30C. Due to the depth and environment, this site is best suited for intermediate divers.

Canyons II is a marine dive site located off Catalina Island, Dominican Republic, featuring a combination of reef, canyon, and artificial reef topography. The site maintains a consistent depth of approximately 9 metres, making it suitable for beginner divers. Access to this location is by boat only, and divers typically encounter mild currents. Water temperatures range from 27C to 30C throughout the year. Species recorded around this area include great barracuda, French angelfish, Indian lionfish, groupers, Pacific trumpetfish, Caribbean sharpnose puffer, blue tang, striped parrotfish, wrasses, black durgeon, round stingray, foureye butterfly fish, French grunt, and brain coral.