Windows Reef is a marine site located off Culebrita, Puerto Rico, featuring a reef structure that tops out at approximately 8 metres. The site reaches depths of 8 to 15 metres, with an average depth of 10 metres. Access is by boat only, situated 1000 metres from shore. Snorkellers should be prepared for moderate currents and visibility ranging from 10 to 25 metres. Hazards include sharp coral and sea urchins, requiring careful placement of hands and fins. Due to variable conditions and moderate flow, snorkellers should remain close to the entry point and monitor water clarity throughout the session.

Lana's Cove in Culebrita offers a combination of reef and wreck topography suitable for beginner divers. The site ranges from 6 to 18 metres in depth, with an average of 10 metres. Divers can expect mild currents and visibility between 15 and 25 metres. The area features cavern and swim-through sections, requiring proper training for entry. Due to the location 500 metres from shore, boat access is required. Divers should exercise caution regarding sharp coral and active boat traffic in the vicinity. Guided tours, equipment rental, and air fills are available through local operators.

Cayo del Agua, located off Culebrita, features a combination of natural reef and artificial reef structures. This site is suitable for beginners, with depths ranging from 9 to 20 metres and an average depth of 15 metres. Visibility typically spans 15 to 30 metres, assisting with orientation. Access is by boat only, with the site situated 1000 metres from shore. While currents are generally mild, they can become strong, and divers should remain vigilant for boat traffic during ascents. Night diving is available at this location. Water temperatures remain between 27 and 30 degrees Celsius throughout the year.

Devon’s Drop is a boat-access reef located off Culebrita, Puerto Rico. The site features a reef structure ranging from 9 to 18 metres in depth, with an average depth of 12 metres. Divers can expect moderate currents and visibility typically between 10 and 30 metres. The site is suitable for intermediate divers and supports night diving. Water temperatures remain between 27 and 30 degrees Celsius throughout the year. Hazards include sea urchins tucked into reef crevices and sharp coral edges, requiring careful placement of hands and fins. A typical dive lasts 50 minutes. Boat access is required to reach this site, which is situated approximately 1000 metres from the shore.

Arch Dive is a shallow reef site located off Culebrita, Puerto Rico, offering depths of 1 to 2 metres. This site is well-suited for beginners, providing a relaxed environment with mild currents and visibility ranging from 10 to 30 metres. Access is exclusively by boat. The water temperature remains warm throughout the year, fluctuating between 27 and 30 degrees Celsius, which allows for comfortable diving in a thin wetsuit or rash guard. The minimal depth and consistent conditions make this an accessible location for those looking to build underwater confidence in a calm, shallow reef setting.

Chutes and Ladders is a drift reef dive located off Culebrita, Puerto Rico. The site features a reef structure with depths ranging from 12 to 24 metres, averaging 12 metres. Divers can expect moderate currents, which facilitate a drift dive experience. Visibility at the site typically spans 12 to 30 metres. Access is by boat only, and the site is suitable for beginners, though comfort in current is required. Guided tours and equipment rental are available for those visiting the area. The site is also open for night diving, with typical dive times around 50 minutes. Divers should remain close to their guide and descend promptly at the anchor line.

Punta Tamarindo Grande, located off Culebrita, features a combination of reef and wall topography. The site is suitable for beginners, with average depths ranging from 9 to 12 metres. Divers can expect moderate currents and visibility between 5 and 10 metres. Marine life recorded at the site includes purple sea fans, wrasses, and sea bass. Other species observed include stoplight parrotfish, foureye butterflyfish, fairy basslet, redband parrotfish, groupers, Pacific trumpetfish, queen parrotfish, blue tang, Caribbean spiny lobster, sergeants, and soldierfish. Access is by boat only, located 2000 metres from shore. Divers should exercise caution regarding sharp rocks and coral while navigating the underwater terrain.

The Arch at Culebrita is a reef and cave site defined by a large overhang and swimthrough located at a depth of approximately 6 metres. The site reaches a maximum depth of 15 metres, with an average depth of 10 metres. Divers can explore the structure, which features coral and sponge growth on the ceiling. Historical debris is present, including several 5-inch naval artillery rounds, a 16-inch battleship round, and an airplane turbine. Access is by boat only, located 1609 metres from shore. Conditions include mild currents and visibility ranging from 10 to 30 metres. Hazards include sharp coral and surge. The site is suitable for beginners.