Kennedy Bay Reefs in Port Essington is a remote reef site requiring boat access. The area is characterised by moderate to strong currents that fluctuate with the tides, necessitating careful planning and situational awareness. Divers should be prepared for variable visibility and potential hazards including jellyfish, high winds, and the presence of crocodiles in the region. The site is suited for advanced divers due to the challenging current conditions. The reef structure supports a variety of tropical marine life and invertebrates typical of the Northern Territory. Divers should coordinate with local boat traffic and aim for the slack tide window to manage the water movement effectively.

Palm Bay, also known as Wanakutja, is a shore dive located in Port Essington, Australia. This site features shallow, calm waters suitable for intermediate divers, though variable currents mean conditions can shift. Water temperatures remain warm throughout the year, ranging from 26C to 31C. Access is via the shore, with parking facilities available nearby. Divers should exercise extreme caution due to the presence of large saltwater crocodiles in the region. Additionally, sharks and sawfish are known to inhabit these waters, requiring respectful distance and careful behaviour. The site is also suitable for snorkelling, with a rating of 3/5.

Sandy Bay Reef is a shallow marine reef located 2000 metres offshore from Port Essington. The site features depths ranging from 1 to 10 metres, with an average depth of 5 metres. Access is by boat only. Visibility varies between 5 and 20 metres, and currents are generally mild, though they fluctuate with the tides. The site is suitable for intermediate divers. Hazards include the presence of crocodiles and, during the wet season from November to April, box jellyfish. Due to the remote location of the Cobourg Peninsula, travel to this site requires significant planning and permits.

Popham Creek features a diverse marine environment combining hard corals, seagrass beds, and mangrove habitats. The site reaches depths of up to 15 metres and is suited for intermediate divers. Access is by boat only, and conditions are heavily influenced by tidal movement, which dictates visibility and current strength. Divers should time their entry around the incoming tide for improved visibility and more predictable currents. The area presents significant hazards, including the presence of Estuarine crocodiles, bull sharks, and box jellyfish. Due to these risks, any water-based activity requires extreme caution and should be conducted under the guidance of experienced local operators.