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.

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.

Muelle de Azúcar is a shallow wreck and artificial reef located in Aguadilla, Puerto Rico. Suitable for beginners, the site ranges from 0 to 12 metres in depth with an average of 6 metres. Divers and snorkellers access the site from the shore, though caution is required due to potential shore breaks. Visibility is typically 12 metres with mild currents. The structure provides an overhead environment, presenting risks of entanglement and sharp surfaces. Species recorded around this area include French angelfish, spotted moray, blue tang, and various wrasses. Night diving is possible at this location, which features nearby parking facilities.

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.

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 Boats in Aguadilla, Puerto Rico, offers a shallow marine environment suitable for divers and snorkellers. The site features a depth range of approximately 3 to 9 metres, making it accessible for various skill levels. Water temperatures at this location are warm, ranging from 27C to 30C throughout the year. Species recorded around this area include French Angelfish, Spotted Moray, Spotted Scorpionfish, Brazilian Reef Octopus, Blue Tang, Wrasses, Caribbean Ocean Surgeonfish, Foureye Butterfly Fish, Atlantic Tarpon, Spanish Hogfish, Arrow Crab, Porcupinefish, Whiptail Stingray, and Christmas Tree Worm. The site provides a consistent, shallow experience for those exploring the local coastal waters.

The B-29 Aircraft Wreck in Aguadilla, Puerto Rico, is a deep-water site resting at a maximum depth of 38 metres. Accessible only by boat, this site is located 4000 metres from the shore and is suited for advanced divers due to the significant depth and strong currents. The wreck consists of scattered remains, including engine parts and fusel arches set against a sandy bottom with occasional rocks. Visibility at the site ranges from 1 to 30 metres, and water temperatures remain warm throughout the year, typically between 27C and 30C. Nitrox is recommended for this dive to maximise bottom time.

The MV Ambar is a deep wreck located off the coast of Aguadilla, Puerto Rico, reaching depths of up to 49 metres with an average depth of 45 metres. This site is strictly for expert divers, requiring advanced, deep, and technical certifications due to the overhead environment and mandatory decompression requirements. Access is by boat only. Divers encounter moderate to strong currents, which necessitate careful planning of bottom time and penetration schedules. Visibility is variable, ranging from 3 to 18 metres. Given the depth and potential for strong currents, divers must maintain high situational awareness throughout the 30-minute typical dive profile.