Isla de Enmedio is a reef site located within the Veracruz Reef System, accessible only by boat. The site features white coral sand and depths ranging from 3 to 15 metres, with an average of 8 metres. Visibility typically varies between 10 and 30 metres, and currents are generally mild. Snorkellers can observe a variety of marine life, including common sergeants and snails. Uncommon sightings include French angelfish, Indian lionfish, Christmas tree worms, wrasses, foureye butterfly fish, Spanish hogfish, yellowtail snapper, French grunt, long-spined sea urchins, brain coral, Sally Lightfoot crabs, and porkfish. Facilities at the site include toilets and showers. The site is suitable for beginners.

Arrecife Santiaguillo is a remote reef located 20 kilometres from the shore in the Anegada de Adentro area. The site is distinguished by a small lighthouse and offers depths reaching 50 metres. Due to its isolated position, the reef benefits from high water quality and visibility up to 30 metres. This site requires boat access and is suited for intermediate snorkellers and divers. Conditions include moderate currents and the presence of sharp coral. The habitat supports a variety of reef fish and invertebrates typical of the region. Water temperatures range from 24C in winter to 30C during the summer months.

Sueste is a reef site located at Anegada de Adentro, Mexico, accessible exclusively by boat to avoid surf and shore break. The reef structure extends from 30 to 70 metres in depth, with visibility ranging from 10 to 30 metres. Water temperatures fluctuate between 23 and 29 degrees Celsius. While the current is generally mild, conditions can vary. Divers should exercise caution regarding sharp coral, entanglement risks, stonefish, and sharks. Due to these hazards, booking a guided tour through a local dive shop is recommended. Species recorded around this area include Brazilian Reef Octopus, Spotted Scorpionfish, various moray eels, French Angelfish, Indian Lionfish, and several species of reef fish and invertebrates.

Cancuncito Sandbar is a shallow sandbar located 14 kilometres from the shore of Veracruz. Formed by Hurricane Gilbert in 1988, the site features knee-to-waist deep water, making it suitable for beginner snorkellers. Access is by boat only. Visibility typically ranges from 10 to 25 metres, with water temperatures between 24C and 30C depending on the month. Currents are generally mild. Be aware of sea urchins in the area. Species recorded around this area include wrasses, foureye butterfly fish, smooth trunkfish, and various moray eels, though these are not confirmed at this specific sandbar.

Arrecife Pájaros is a fringing reef located in Anegada de Adentro, Mexico, oriented northwest to southeast between Isla Sacrificios and Isla Verde. This site features shallow coral gardens suitable for both diving and snorkelling. Depths range from 5 to 18 metres, with an average of 10 metres. Access is by boat only, located 1000 metres from shore. Conditions generally include mild currents and visibility between 10 and 30 metres. Species recorded around this area include French Angelfish, Green Moray, and various wrasses. Hazards at this site include jellyfish, sharks, and sharp coral. Typical dives last approximately 45 minutes.

Isla Verde in Anegada de Adentro features a combination of natural reef and artificial structures, including the coral formations and passages known as Las Catedrales. Divers can explore depths ranging from 5 to 18 metres, with an average depth of 12 metres. The site is accessible only by boat, located 15 kilometres from the shore. Conditions vary, with visibility between 10 and 30 metres and moderate currents. Marine life recorded at the site includes French Angelfish, Spanish Hogfish, Foureye Butterfly Fish, wrasses, Christmas Tree Worms, Pacific Trumpetfish, Lettuce Sea Slugs, Smooth Trunkfish, Snake Eels, Brain Coral, Elkhorn Coral, sea hares, long-spined sea urchins, and shrimp. Hazards include boat traffic, sharp coral, sea urchins, and strong currents.

The C-50 Rivapalacios is an artificial reef wreck located 10 kilometres offshore at Anegada de Adentro. Resting at a depth of 27 to 28 metres, this site is strictly for advanced divers due to the overhead environment and potential for entanglement. Visibility is highly variable, often dropping to near-zero or remaining below 2 metres, necessitating the use of dive lights and careful buoyancy control. Moderate currents are common, requiring coordination with boat operators before entry. Divers should be prepared for a challenging wreck environment that demands a conservative gas plan and disciplined navigation skills.

Ahogado del Arquitecto is a combined reef and wreck site located at Anegada de Adentro, Mexico. Divers can explore depths ranging from 10 to 30 metres with visibility typically between 10 and 30 metres. The site is suitable for beginners, though moderate currents are common and require careful monitoring. Due to the wreck structure, divers must remain vigilant regarding entanglement risks. Water temperatures fluctuate between 23C and 29C throughout the year. Species recorded around this area include Brazilian Reef Octopus, Spanish Hogfish, various wrasses, and several moray eel species. Boat access is required, and guided tours are recommended to navigate tidal patterns and changing current conditions effectively.