Peñon is a reef site located off the coast of Bayahibe, situated in front of the national park. The site is named for the rock formations found along its side walls and consists of three distinct areas known as Peñon 1, 2, and 3. Divers and snorkellers can explore depths ranging from 8 to 28 metres, with an average depth of 12 metres. Access is by boat only, as the site is located 10 kilometres from the shore. Conditions are generally mild with a visibility of 20 metres. The site is suitable for beginners and experienced divers alike, with typical dive times lasting 50 minutes.

El Penon is a reef and drop-off site located in Bayahibe, Dominican Republic. The site features depths ranging from 8 to 28 metres, with an average depth of 10 metres. Access is by boat only. Divers and snorkellers can expect mild currents and visibility typically between 20 and 30 metres. Water temperatures remain warm throughout the year, ranging from 27C to 30C. The site is suitable for beginners, with a typical dive duration of approximately 45 minutes. Hazards at this location include lionfish and sharks.

El Peñón is a reef site located in Bayahibe, Dominican Republic, offering a drift diving experience. The site features depths ranging from 12 to 28 metres, with an average depth of 14 metres. Divers and snorkellers can expect visibility between 15 and 30 metres. Access to the site is by boat only, and the area is subject to moderate currents, which can occasionally become strong. The site is suitable for beginners and typical dives last approximately 45 minutes. Water temperatures remain warm throughout the year, ranging from 27C to 30C. Facilities available in the area include air fills, equipment rental, guided tours, boat charters, and parking.

Acuario is a reef and artificial reef site located in Bayahibe, Dominican Republic. This site is suitable for beginners, offering a shallow average depth of 7 metres with a total range between 5 and 12 metres. Divers can expect mild currents and visibility typically ranging from 15 to 30 metres. Access to the site is available via both shore and boat entries. A standard dive at this location lasts approximately 45 minutes. Water temperatures remain warm throughout the year, fluctuating between 27C and 30C depending on the month.

Tortuga is a combined reef and wreck dive located off Bayahibe. The site features depths ranging from 15 to 25 metres, with an average depth of 15 metres suitable for beginner divers. Access is exclusively by boat, which is required for all entries and exits to protect the reef structure. Divers can expect mild currents and visibility between 10 and 30 metres. Hazards at this site include jellyfish, sea urchins, stonefish, and sharks. Divers should remain cautious of sharp coral and rocks when near the structure. Typical dive times are approximately 50 minutes.

Guaraguao in Bayahibe offers a diverse underwater environment combining a natural reef, a wreck, and an artificial reef structure. Situated at depths between 5 and 15 metres, the site is well-suited for beginner divers. Visibility is excellent, ranging from 30 to 50 metres, allowing for clear observation of the site layout. Water temperatures remain warm throughout the year, typically between 27 and 30 degrees Celsius. Divers encounter mild currents, making the site manageable for those building confidence. Access is exclusively by boat, ensuring a direct entry into the water. The site supports a variety of reef fish and invertebrates across its varied structures.

Parque is a marine site located 5000 metres off the coast of Bayahibe, Dominican Republic. This location features a combination of natural reef and artificial reef structures. Divers and snorkellers can expect depths ranging from 10 to 15 metres, with an average depth of 12 metres. The site is accessible only by boat and is suitable for intermediate-level participants. Conditions include mild currents and visibility that can fluctuate between 5 and 50 metres. Water temperatures remain warm throughout the year, ranging from 27C to 30C. Due to the nature of the site, boat traffic is a primary hazard to consider during activities.

Bayahibe offers three distinct underwater environments: shallow reefs, open-water wrecks, and cavern systems. The reef begins at approximately 8 metres, providing accessible conditions for beginners, while the site extends to 40 metres for more advanced exploration. Visibility ranges from 15 to 30 metres, with water temperatures between 26 and 30 degrees Celsius. Currents are generally mild, assisting with buoyancy control. Access is by boat only, located 800 metres from shore. Due to the varied topography and overhead environments found in the cavern sections, guided tours are recommended. Facilities include air fills, equipment rental, and boat charters.