La Sirenita, also known as Mermaid's Beach, is a shallow reef site in Cabo Pulmo, Mexico, accessible via a 15 to 20 minute coastal hike south from Los Arbolitos. This secluded cove features dramatic rock formations and is suitable for beginners, with depths ranging from 2 to 10 metres and an average of 5 metres. Snorkellers can expect mild currents and visibility between 10 and 30 metres. Water temperatures fluctuate between 22C and 30C throughout the year. Shore entry is required to access the site. Facilities available nearby include parking, toilets, showers, and equipment rental. Be aware of potential hazards including jellyfish, sharp coral, and surge.

Los Arbolitos is a popular shore-entry site located in Cabo Pulmo, Mexico. The topography features several coral finger reefs that extend directly from the beach into the water. This site offers calm, shallow conditions, making it well-suited for independent exploration by snorkelers without the need for a boat. Water temperatures at this location vary throughout the year, ranging from 22C in the cooler months to 30C during the peak summer period. Due to its accessible nature and protected environment, it is a suitable location for beginners to practice snorkeling.

Los Frailes (North End) is a rocky reef site located at the northern point of Bahia Los Frailes in Cabo Pulmo. The site features underwater boulders that create a habitat for reef fish and invertebrates. Divers and snorkellers can expect depths ranging from 3 to 12 metres, with an average depth of 7 metres. Access is via a shore entry, with the site located approximately 50 metres from the beach. Conditions are generally mild, though visibility varies between 5 and 15 metres. The site is suitable for beginners and supports night diving, with typical dives lasting around 45 minutes. A cafe is available at the location for visitor use.

Cabo Pulmo is a reef system located off the east cape of Baja California, Mexico. This site features a variety of topography including reefs, canyons, and a wreck. Divers and snorkellers access the area exclusively by boat. Depths range from the shallows down to 30 metres, with an average depth of 15 metres. Visibility typically spans 15 to 30 metres. The site is subject to moderate currents that can shift quickly, requiring intermediate skill levels and close attention to guides. Water temperatures fluctuate between 21C and 27C throughout the year. Due to the open water nature of the site and potential for strong currents, maintaining group proximity is essential.

La Lobera in Cabo Pulmo is a marine site featuring a combination of reef and wall topography. Located 1000 metres from the shore, this site requires boat access. Divers can expect depths ranging from 10 to 30 metres, with an average depth of 20 metres. Conditions vary, with visibility typically between 15 and 35 metres and mild currents. The site is suited for intermediate divers, with typical dive times around 45 minutes. Hazards include the depth and the presence of an overhead environment. Water temperatures fluctuate throughout the year, ranging from 21C in the cooler months to 27C in October.

La Lobera is a rocky islet located 1000 metres offshore within the Cabo Pulmo park. This site features a shallow reef environment with depths ranging from 1 to 7 metres, making it highly suitable for snorkelling. Divers and snorkellers access the site via boat. Conditions include moderate currents and visibility typically between 10 and 30 metres. Water temperatures fluctuate seasonally from 22C to 30C. Hazards at this location include boat traffic, jellyfish, sea urchins, sharp coral, surf, and surge. The site is best suited for intermediate skill levels due to the potential for surge and current.

Las Casitas is a marine site in Cabo Pulmo featuring a combination of natural reef, artificial structures, and cave sections. Located 1000 metres from shore, the site is accessible by boat and offers depths between 5 and 17 metres, with an average of 8 metres. Conditions are generally manageable with mild currents, though divers should be aware of potential surge, swell, and low visibility. The site is suitable for beginners, but caution is advised near overhead environments. Water temperatures range from 22 to 29 degrees Celsius. Facilities including toilets and showers are available at the boat departure point.

El Islote is a reef, wall, and pinnacle site in Cabo Pulmo, Mexico, accessible only by boat. The site features depths between 10 and 20 metres with visibility ranging from 12 to 30 metres. It is suitable for beginners, though moderate currents require good buoyancy control. Divers and snorkellers may encounter California Sea Lions, King Angelfish, and various wrasses, triggerfish, and parrotfish. Stonefish are present on the reef structure, so maintain distance from the seabed. Surge can be significant near the pinnacle and wall, particularly during boat entry and exit. Night diving is permitted, offering a different perspective of the reef life.