Ensenada Grande at Isla Espiritu Santo features a combination of shallow beach areas and steep volcanic cliffs that descend into reef systems. This site is suitable for beginners, with depths starting at 2 metres and extending deeper along the wall. Snorkellers can access the site via both shore and boat entries. Conditions are generally mild, though visitors should remain aware of boat traffic in the area. The water temperature fluctuates throughout the year, ranging from 21C in the winter months to 29C during the summer. The site offers a varied topography of rocky walls and reef structures for exploration.

Las Cuevitas, located at Isla Espiritu Santo, is a marine site defined by a series of small caves and dark volcanic cliffs. This site is suitable for intermediate snorkellers and requires boat access. Conditions are variable, with visibility typically ranging between 20 and 30 metres and mild currents. The topography includes an overhead environment within the caves, which requires caution. Hazards include surge, sea urchins, and boat traffic. Water temperatures fluctuate throughout the year, ranging from 21C in winter months to 29C in late summer. The cliffs serve as a nesting site for Blue-footed Boobies, which can be observed diving into the water.

El Embudo, located at Isla Espiritu Santo, is a distinctive dive site defined by a narrow, funnel-shaped cove featuring high vertical walls and dramatic canyon topography. The site offers deep crevices and varied underwater structures suitable for intermediate divers. Access is by boat only, and divers should remain aware of boat traffic in the area. Visibility typically ranges from 15 to 35 metres, with water temperatures fluctuating between 21C and 29C throughout the year. Species recorded around this area include California sea lions, various wrasses, groupers, and several species of moray eels and angelfish. Snorkelling is also possible at this location.

El Bajito is a rocky reef located off Isla Espiritu Santo, Mexico, offering a drift dive experience suitable for beginners. The site features rock and coral alleys that divers can swim through, with depths ranging from 6 to 12 metres and an average of 8 metres. Visibility typically spans 15 to 30 metres. Divers may encounter King Angelfish and Razor Surgeonfish, which are occasionally recorded at this location. Access is by boat only, and divers should be aware of moderate currents, boat traffic, and sharp coral. Typical dives last approximately 45 minutes, with water temperatures fluctuating between 21C and 29C throughout the year.

Los Islotes, located off Isla Espiritu Santo, features a diverse underwater topography consisting of reefs, walls, and caves. The site offers two primary dive areas: a shallow southern section featuring a cave and a deeper northern section. Depths range from 6 to 30 metres, with an average of 10 metres. Access is by boat only, and divers should be prepared for moderate currents and visibility between 10 and 30 metres. The site is suitable for beginners and offers a 45-minute typical dive duration. Water temperatures fluctuate between 20C and 26C throughout the year. Hazards include overhead environments and sharp coral structures.

El Cardonal Reef at Isla Espiritu Santo is a long, narrow inlet featuring a shallow reef and a sunken boat located near the shoreline. This protected site offers calm water conditions with mild currents, making it suitable for beginners and snorkellers. Divers and snorkellers can access the site from both the shore and by boat. Water temperatures fluctuate between 21C and 29C throughout the year. Facilities available at the location include parking and a cafe. Be aware that jellyfish may be present in the water.

El Bajo is a series of seamounts located 13.2 kilometres from the shore of Isla Espiritu Santo. This advanced dive site features a combination of reef, wall, and pinnacle topography exposed to the open ocean. Divers must access the site by boat due to its offshore location. Conditions are characterised by strong currents and visibility ranging from 10 to 30 metres. Depths at the site extend from 16 to 40 metres, with an average depth of 25 metres. Due to the deep water, strong currents, and the presence of sharks, this site is strictly for advanced divers.

Ensenada de la Raza is a multi-lobed bay located on the west side of Isla Espiritu Santo. The site features a mix of sand and rocky reef topography, with rocky points separating the lobes. Depths range from 2 to 10 metres, making it suitable for beginners. Access is by boat, and the site experiences mild currents that can influence water temperatures, which fluctuate between 21C and 29C throughout the year. Divers and snorkellers should be aware of potential hazards including boat traffic, sea urchins, sharks, and sharp coral. Guided tours and boat charters are available for those visiting this area.