St. Agustin Island East is a reef site located in Bahia San Agustin, Mexico. The topography features a bottom contour that allows divers to navigate from depths of 30 metres up to shallower sections featuring coral. Access to this site is by boat only. Conditions are generally mild, though divers should remain aware of boat traffic and depth limits. The site is suitable for beginners and offers a consistent water temperature ranging between 26C and 30C throughout the year. The dive profile typically follows the island's northern side, transitioning from deeper water towards the reef shallows.

Augustin Beach in Bahia San Agustin is a shore-entry reef site suitable for beginners. Divers can expect a consistent average depth of approximately 7 metres. Conditions are generally mild, with water temperatures ranging from 28C to 30C throughout the year. The site is supported by local facilities including a cafe, equipment rental services, and guided tours. As a shallow reef environment, it offers accessible conditions for those looking to explore the local marine topography. The site has been recorded in diving logs since 2005.

St. Agustine is a large coral plate located in Bahia San Agustin, Mexico. This reef site is suitable for both beginner divers and snorkellers, offering a consistent depth of 12 metres. Access is available via boat or directly from the beach. Conditions are generally stable with mild currents and visibility ranging between 10 and 15 metres. Water temperatures remain warm throughout the year, typically between 27 and 30 degrees Celsius. Due to the nature of the location, divers and snorkellers should remain aware of boat traffic in the area.

Carrizalillo is a reef site located in Bahia San Agustin, Mexico, offering an accessible experience for beginners. The site features a coral plate at depths ranging from 5 to 12 metres. Divers and snorkellers can expect mild currents and visibility between 5 and 8 metres. Water temperatures are warm, consistently between 27C and 30C throughout the year. Entry is via the shore. Facilities available at the location include a cafe, showers, and toilets. Potential hazards at this site include jellyfish, rip currents, and sea urchins.

Whale Rock in Bahia San Agustin is a marine site featuring a combination of reef and canyon topography. Located 500 metres from the shore, the site requires boat access and is suited for intermediate divers. Depths range from 10 to 30 metres, with an average depth of 18 metres. Divers should be prepared for moderate currents and potential surge. Visibility typically fluctuates between 10 and 25 metres. Water temperatures are warm, generally between 26 and 30 degrees Celsius, though thermoclines may occur. Hazards at this location include strong currents, surge, sharp coral, stonefish, and sharks. Typical dive times at this site are approximately 50 minutes.

Jicaral is a reef and wall site located in Bahia San Agustin, Mexico, offering a varied underwater topography for both divers and snorkellers. The site is accessible by boat only and is suitable for beginners, with depths ranging from 2 to 18 metres. Conditions are generally mild, with currents remaining gentle throughout the year. Water temperatures are consistent, fluctuating between 27C and 30C. Divers and snorkellers should be aware that sharks are present at this location.

Shark Cove in Bahia San Agustin is a reef and wall site located 500 metres from shore. The topography features underwater pinnacles, channels, and coral formations. Divers can expect depths ranging from 8 to 30 metres, with an average depth of 18 metres. Conditions are generally mild, with visibility between 10 and 25 metres and water temperatures consistently between 26 and 30C. Access to this site is by boat only. The site is suitable for beginners and supports night diving. Hazards at this location include sharks.

Las dos Hermanas is a reef and canyon site located 1000 metres offshore from Bahia San Agustin. The site is named for two distinct rock formations that break the surface, which contrast in colour with the surrounding area. Divers can explore these rock formations at depths ranging from 5 to 18 metres, with an average depth of 12 metres. The site is suitable for beginners and typically features mild currents. Visibility ranges from 12 to 35 metres, and water temperatures remain warm throughout the year. Access to this site requires a boat. Divers should be aware of potential hazards, including boat traffic, sharp coral, and surge.