Porta Allegra is an artificial reef wreck located off the coast of Wilmington, United States. The site sits at depths ranging from 29 to 40 metres, with an average depth of 35 metres. Divers typically experience mild currents and visibility between 20 and 30 metres, though conditions can vary. Due to the depth and the nature of the wreck structure, this site is suited for intermediate divers. Hazards include potential nitrogen narcosis, decompression requirements, and entanglement risks. Divers should carry a surface marker buoy and deploy it before ascending due to active boat traffic in the area. The wreck structure provides a habitat for various reef fish and invertebrates.

The Normannia is an artificial reef located off the coast of Wilmington, offering a wreck dive with depths ranging from 8 to 35 metres. The site features a substantial structure that requires advanced, wreck, and deep diving certifications. Divers typically experience visibility between 18 and 30 metres, allowing for clear views of the wreck. While currents remain mild, surge and swell conditions can occur, making boat access essential. Given the depth, nitrox is recommended to manage nitrogen narcosis risks and extend bottom time. The site is suited for intermediate divers who are prepared for deep-water conditions and variable sea states.

Meares Harris Reef is an artificial reef and wreck site located 4260 metres off the coast of Wilmington. The site sits at depths between 10 and 16 metres, with an average depth of 15 metres. Accessible only by boat, it is suitable for beginner divers due to the mild currents. Visibility is variable, ranging from 5 to 20 metres depending on local conditions. Divers should remain aware of potential hazards including boat traffic, entanglement risks on the wreck structure, and surge or swell. Night diving is permitted at this location. Divers are advised to check local conditions before departure, as recent weather can significantly impact water clarity.

The USS Naeco is an artificial reef located off Morehead City, United States. This deep wreck site lies at depths between 37 and 44 metres, requiring advanced certification and strict depth monitoring. Divers access the site by boat, encountering moderate currents and visibility ranging from 18 to 30 metres. The structure features an overhead environment with confined spaces, necessitating appropriate wreck-diving discipline. The site supports a variety of reef fish and invertebrates typical of the region. Due to the depth and potential for overhead hazards, guided tours are recommended for first-time visitors. Water temperatures fluctuate between 17C and 25C, making thermal protection essential for longer bottom times.

The Papoose is a WWII-era tanker wreck resting on a sand bottom off Cape Lookout. The structure begins at a depth of 27 metres and extends to 125 metres, with an average depth of 33 metres. Visibility at the site ranges from 15 to 38 metres. This is a boat-only dive located 37 kilometres from shore, suitable for intermediate divers with wreck and deep diving experience. Divers must manage decompression obligations, nitrogen narcosis, and potential strong currents. Hazards include entanglement risks within the overhead environment and the presence of sharks. Water temperatures fluctuate between 17 and 25 degrees Celsius throughout the year.

AR-368 is an artificial reef and wreck site located 29 kilometres off the coast of Wilmington. The site sits at depths ranging from 18 to 21 metres, requiring boat access for all dives. Conditions are generally manageable with mild currents, though visibility is limited to 5 to 10 metres. Divers should navigate with care to avoid entanglement risks within the structure. Given the depth and potential for entanglement, this site is suited for intermediate divers. Water temperatures fluctuate significantly throughout the year, ranging from 13 to 26 degrees Celsius, so appropriate thermal protection is necessary for the typical 40-minute dive duration.

AR-368, featuring the 241 barge LC-16, is an artificial reef located 29 kilometres off the coast of Wilmington. The wreck sits at depths between 18 and 20 metres, offering a manageable dive for intermediate divers due to mild currents. Visibility typically ranges from 5 to 10 metres. Divers should exercise caution regarding entanglement risks on the structure and sharp surfaces, and maintain awareness of overhead boat traffic during ascent. The site supports a variety of reef fish and invertebrates typical of the region. Boat access is required, and local facilities provide air fills, equipment rental, and guided tours.

23 Mile Ledge is an advanced offshore reef located 37 kilometres from Wilmington. This site requires boat access and is suited for experienced divers due to the depth and environmental conditions. Divers can expect depths ranging from 27 to 32 metres, with an average of 29 metres. Visibility at the ledge typically fluctuates between 9 and 18 metres. The site is subject to strong currents, and divers should be prepared for deep diving and decompression requirements. Species recorded around this area include pufferfish, toadfish, wrasses, drum, croaker, spotfin butterflyfish, angelfish, redband parrotfish, mantis shrimp, barracuda, giant doris, kingfish, Atlantic spadefish, queen angelfish, and great barracuda.