Second Reef is an artificial reef site located 6 miles off Marco Island as part of the Collier County Artificial Reef Program. The site consists of large debris fields featuring concrete culverts and sunken barges. Divers can expect depths ranging from 9 to 11 metres, with an average depth of 10 metres. Access to this site is by boat only, located approximately 9656 metres from the shore. Conditions at the site are variable, with visibility typically between 4 and 15 metres and mild currents. The site is suitable for beginner divers, with typical dive times around 50 minutes. Divers should be aware of sharp coral present at the site.

Bubbies' Bagpipes is an artificial reef located in the United States, featuring a limestone bottom defined by numerous crags and crevices. The site is distinguished by 25 cement-filled structures containing multiple pipes, which serve as the primary artificial habitat. Divers can expect depths ranging from 8 to 15 metres, with an average depth of 12 metres. Access to this site is by boat only. Conditions include moderate currents and visibility typically between 5 and 15 metres. Water temperatures fluctuate between 20C and 31C throughout the year. Due to the nature of the site, divers should remain aware of boat traffic in the area.

The Bubba is a sunken shrimp boat located 9656 metres off the coast of the United States. Sunk in 2010 following a fire, the vessel has deteriorated significantly, leaving an expansive debris field rather than a recognisable boat structure. Divers can explore the remaining outrigger, engine block, and shaft. This site is suitable for advanced divers due to the moderate currents and potential for entanglement hazards within the wreckage. The average depth is 7 metres, with a range of 5 to 10 metres. Access is by boat only, with typical dive times around 40 minutes and visibility ranging from 5 to 15 metres.

Rocky Road is an artificial reef composed of approximately 200 limestone boulders, each averaging three feet in diameter. Located in the United States, this site was privately constructed and remains independent of local artificial reef programmes. Divers can expect depths ranging from 3 to 10 metres, with an average depth of 7 metres. Access to the site is by boat only. Visibility varies between 5 and 25 metres, and currents are generally mild. Due to the lack of published coordinates, the site experiences minimal fishing traffic. Divers should remain aware of boat traffic in the area.

Third Reef is an artificial reef located approximately 18.5 kilometres offshore from Marco Island. Part of the Collier County Artificial Reef Program, this site consists of concrete blocks and culverts deployed between 2001 and 2007. These structures provide significant vertical relief for divers to explore. The site sits at an average depth of 13 metres, with a range of 12 to 14 metres. Access is by boat only. Divers should expect moderate currents and visibility typically ranging from 10 to 20 metres. Water temperatures fluctuate between 21C and 30C throughout the year. Hazards include sharp coral and stonefish. A dive light is recommended for inspecting the interior of the structures.

Buddy's Break is a natural limestone ledge reef located off the coast of the United States. The site features a low-relief structure with approximately 3 feet of vertical profile. Divers can explore depths reaching 12 metres. Access to this site is strictly by boat. Conditions include moderate currents, and divers should be aware of the presence of sharks, stonefish, and strong currents. Due to the current conditions and site profile, this location is best suited for intermediate divers. The reef environment supports a variety of tropical fish and marine life that congregate around the limestone ledges.

Santa Lucia is a shallow wreck site located 8,000 metres offshore from Naples, United States. Functioning as an artificial reef, the wreck sits at a depth of 6 to 7 metres, making it suitable for beginner divers. Access to the site requires a boat. Divers should expect mild currents and visibility of approximately 5 metres, which can be variable. Due to the low visibility and the nature of the wreck structure, divers must be aware of entanglement risks and are advised to avoid entering enclosed sections. The water temperature ranges from 20C to 30C throughout the year, allowing for year-round diving activity.

Naples Barge is an artificial reef and wreck site located in the United States. The site sits at a shallow depth, ranging from 5 to 8 metres, with an average depth of 5 metres. Access is strictly by boat, as the site is situated approximately 22.5 kilometres from the shore. Divers can expect mild currents, though visibility is variable, ranging from 5 to 50 metres. The site is suitable for beginners, with typical dives lasting around 45 minutes. The habitat supports a variety of reef fish and invertebrates typical of the region. Hazards at this site include potential entanglement and periods of low visibility.