Desecheo Island offers a diverse underwater landscape featuring reefs, walls, drop-offs, caves, and a wreck. Located 19 kilometres off the west coast of Puerto Rico, the site provides visibility between 30 and 45 metres. Depths range from 6 to 35 metres, with an average of 20 metres. Divers should be prepared for moderate currents and overhead environments within the caves and wreck. Access is by boat only, and the site is suitable for intermediate divers. Water temperatures remain between 27 and 30 degrees Celsius throughout the year. Due to boat traffic in the area, maintain awareness at the surface and use a well-practised signal routine.

Walk in the Park is a shore-entry reef and wall dive located in Rincon, Puerto Rico. The site features a wall formation with depths ranging from 11 to 25 metres, averaging 15 metres. Divers typically spend 50 minutes exploring the topography. Conditions are generally stable with mild currents and visibility spanning 9 to 30 metres. Water temperatures remain warm throughout the year, fluctuating between 27C and 30C. The site is suitable for intermediate divers. Night diving is permitted at this location. Divers should be aware of sharp coral present in the area. Local facilities provide equipment rental, guided tours, and air fills for visiting divers.

Estella Reef is a shallow reef located 183 metres off the coast of Rincon, Puerto Rico. Reaching a maximum depth of 11 metres, the site is suitable for both beginner and advanced divers. The reef offers visibility ranging from 8 to 25 metres and features mild currents. Access to the site is available via both shore and boat entries. Divers should be aware of potential hazards including jellyfish, lionfish, rip currents, sea urchins, stonefish, and sharp coral. The shallow topography and light conditions make this a practical location for underwater photography.

El Natural in Aguadilla is a shore-entry reef site suitable for beginners, offering depths between 3 and 20 metres. The topography features both shallow areas and a drop-off. Divers can observe a variety of marine life, including common Caribbean Ocean Surgeonfish, Blue Tang, and various wrasses. Less frequently encountered species include French Angelfish, Spotted Moray, Spotted Scorpionfish, Foureye Butterfly Fish, groupers, Spanish Hogfish, Yellowtail Parrotfish, Smooth Trunkfish, and Caribbean Sharpnose Puffer. Christmas tree worms and various sponges and invertebrates are also present. Conditions are generally mild, though divers should be aware of sharp rock hazards during entry and exit.

Aguadilla in Rincon provides a diverse underwater experience featuring a combination of natural reef, artificial reef structures, and wreck sites. Suitable for beginners, the site offers depths ranging from 0 to 24 metres with an average of 9 metres. Divers can expect visibility between 10 and 30 metres and water temperatures from 27 to 30 degrees Celsius. Access is via a shore entry, though divers should remain cautious of surf, shore break, and rip currents. Boat traffic is common, so maintain awareness when near the surface. On-site facilities include parking, toilets, showers, changing rooms, and a rinse station. Night diving is also available at this location.

Crash Boat in Aguadilla offers a varied underwater environment combining natural reef with artificial structures. Suitable for both divers and snorkellers, the site features depths ranging from 1 to 13 metres with an average of 8 metres. Entry is from the shore, and the area experiences mild currents. Visibility is variable, ranging from 3 to 18 metres, and is often best during early morning hours. Water temperatures remain warm throughout the year, between 27C and 30C. Divers should be aware of sharp coral and potential low visibility. Facilities including parking, toilets, showers, and equipment rental are available at the site.

Crash Boat Piers in Aguadilla offers a diverse underwater environment featuring a combination of natural reef, artificial structures, and wreck remains. The site spans depths from 1 to 18 metres, with an average of 9 metres, making it suitable for beginner divers. Visibility typically ranges between 10 and 30 metres, while water temperatures remain warm throughout the year. Divers should be aware of potential hazards, including boat traffic, surf, and variable currents. Shore entry is available, though caution is required due to the shore break. Facilities including parking, toilets, and showers are provided on site to support divers.

Ancones is a wreck site located off the coast of Aguadilla, Puerto Rico, featuring depths reaching 22 metres. This site is accessible only by boat and is suited for intermediate divers capable of managing moderate currents. The wreck provides structural interest for exploration, though visibility and current conditions can vary significantly. Divers should remain aware of boat traffic and deploy a surface marker buoy before ascending. Species recorded around this area include French Angelfish, Spotted Moray, Blue Tang, and various wrasses. Water temperatures range from 27C to 30C throughout the year, making it a warm-water dive.