The Cassimer Wreck is a marine dive site located off the coast of Wilmington, United States. This wreck site sits at depths ranging from 20 to 37 metres, with an average depth of 30 metres. Access to the site is by boat only, as it is situated approximately 21 kilometres from the shore. Divers can expect mild currents and visibility typically between 21 and 30 metres. Due to the depth and potential for low visibility, this site is suited for intermediate divers. Water temperatures fluctuate throughout the year, ranging from 17C in February to 25C in August and September.

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.

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.

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.

Markham is a wreck and artificial reef located 16 kilometres offshore from Wilmington. The site sits at a consistent depth of approximately 12 metres. Divers should be prepared for moderate currents and visibility ranging between 5 and 10 metres. Water temperatures fluctuate significantly throughout the year, from 13C in February to 27C in July, with a thermocline often creating a 5-degree difference between surface and bottom layers. Access is strictly by boat charter. Due to the nature of the wreck, potential hazards include entanglement and boat traffic. This site is suited for intermediate divers, with typical bottom times around 50 minutes.

Lennon-Hyde Reef near Wilmington features a combination of natural reef structures and artificial wreck elements. The site is suitable for intermediate divers, offering depths ranging from 8 to 26 metres with an average of 17 metres. Visibility typically spans 10 to 20 metres, and currents are generally mild. Divers must access the site by boat. Due to the presence of wreck structures, there is a risk of entanglement, and divers should remain aware of surge conditions and sharks. The site is open for night diving, though conditions vary. Water temperatures fluctuate between 13C and 24C throughout the year, requiring appropriate thermal protection.

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.