Dunbar Rock in Guanaja, Honduras, is a shallow reef site suitable for both diving and snorkeling. The site features an average depth of 3 metres, ranging between 2 and 5 metres, with shore access. The area under the dive dock serves as a nursery for juvenile species, often hosting large schools of silversides. Visibility typically ranges from 15 to 30 metres, and currents are generally mild. Water temperatures remain warm throughout the year, between 27 and 30 degrees Celsius. Hazards include lionfish, sea urchins, sharks, and sharp coral. Facilities available include showers, air fills, equipment rental, a dive shop, boat charters, guided tours, and gear storage.

Bayman Drop is a wall and drop-off site off Guanaja that features significant vertical scale. The wall descends from 50 metres to 150 metres, requiring precise buoyancy control and air management. The topography includes caves and overhangs that create overhead environments, making this site suitable for advanced divers. Access is by boat, and the site experiences mild currents with visibility ranging from 10 to 40 metres. Water temperatures remain between 24 and 27 degrees Celsius throughout the year. Guided tours are recommended for the first visit to navigate the cave sections safely. Night diving is available through local dive shops.

Michael's Rock Reef in Guanaja, Honduras, is a combined natural and artificial reef site characterised by volcanic rock formations. The topography features a maze of cracks and crevices, including a cathedral-like structure that creates distinct light effects. The reef begins just offshore, making it accessible for both shore and boat entries. Depths range from 10 to 70 metres, with visibility typically between 30 and 100 metres. Conditions are generally mild, though divers should be aware of sharp coral. The site is suitable for intermediate divers and offers excellent conditions for snorkelling. Night diving is also available at this location.

Deena Beach on Guanaja Island features a fringing reef accessible directly from the shore. The site is suitable for beginners, with depths ranging from 3 to 18 metres and an average depth of 10 metres. Divers and snorkellers can expect mild currents and visibility between 10 and 30 metres. The reef structure includes large purple sea fans. Species recorded around this area include wrasses, parrotfish, butterfly fish, groupers, and nurse sharks. Facilities at the site include showers. Hazards to be aware of include lionfish, sea urchins, and sharp coral. Night diving is available at this location, with typical dives lasting 45 minutes.

The Pinnacle at Guanaja is a diverse site featuring a deep pinnacle and an adjacent channel wall that rises to within 3 metres of the surface. The topography is adorned with black coral, blue bell tunicates, and crinoids. Depths range from 3 to 41 metres, with an average of 20 metres. Access is by boat, located 1000 metres from shore. Conditions generally feature mild currents and visibility between 20 and 45 metres. Species recorded around this area include nurse sharks, lionfish, wrasses, blue tang, Caribbean sharpnose puffer, parrotfish, groupers, Caribbean spiny lobster, Christmas tree worm, Spanish hogfish, and foureye butterfly fish.

Black Rock features a reef top beginning at 3 metres that transitions into a wall dropping to 30 metres. This site is suited for intermediate divers, offering a combination of shallow reef and vertical wall environments. Divers experience mild currents, making this a manageable drift dive. Visibility typically ranges from 15 to 30 metres, with water temperatures between 27 and 30 degrees Celsius. Access is by boat only, and divers should remain aware of boat traffic at the surface. Use caution during entry and exit due to sharp coral and rocks. A typical dive lasts approximately 50 minutes.

Graham's Place is a shallow reef located directly off the private beach of Graham's Cay in Guanaja, Honduras. This site features a protected lagoon environment suitable for beginners and families, with depths ranging from 2 to 12 metres and an average depth of 6 metres. Divers and snorkellers can expect mild currents and visibility between 5 and 25 metres. Shore access is available, and the site is well-supported by on-site facilities including a dive shop, equipment rental, and rinse stations. Hazards at this location include jellyfish, lionfish, sea urchins, and sharp coral. Typical dives last approximately 45 minutes.

Pigeon Cays consists of two small sandbars situated at the eastern tip of the Bay Islands, surrounded by an extensive reef system. This site is accessible only by boat, located approximately 19 kilometres from the shore. Snorkellers can expect mild currents and visibility ranging from 10 to 30 metres. Water temperatures remain warm throughout the year, fluctuating between 27C and 30C. The site is well-suited for beginners, offering a 5/5 snorkel rating. Divers and snorkellers should be aware of potential hazards, including jellyfish and sharp coral, while exploring the reef structures.