Pangnirtung Boat Harbour serves as the primary departure point for marine excursions in the region. This site features a combination of reef and artificial reef structures within the fiord. Diving here is strictly for advanced divers due to strong currents and extreme water temperatures ranging from -2C to 5C. Access is exclusively by boat. The harbour is a working facility, and divers must remain vigilant regarding boat traffic. On-site facilities include parking, toilets, showers, changing rooms, a rinse station, air fills, equipment rental, and boat charters. Snorkelling is possible with a rating of 3/5, though the environment is primarily suited for cold-water gear testing.

Kingnait Fiord Mouth is a marine site featuring reef and drop-off topography. Located in Canada near Pangnirtung, this site is accessible only by boat. The environment is characterised by extremely cold Arctic waters ranging from -2C to 5C, necessitating the use of specialised drysuits. Depths typically average 20 metres, though conditions vary due to river mouths and wind patterns. Snorkellers should be prepared for moderate currents, low visibility, and potential hazards including boat traffic, jellyfish, and sea urchins. Guided tours and boat charters are available for those visiting this remote location.

Mount Overlord Landing is situated at the southern gateway to Auyuittuq National Park, where the fiord meets the Weasel River delta. This site is defined by dramatic underwater drop-offs created by the convergence of fresh and salt water. Due to the location 30 kilometres from shore, access requires a boat. The site is suitable for advanced snorkellers only, as conditions include cold water, strong currents, and potential boat traffic. Snorkellers should be prepared for moderate currents throughout the area.

Qikiqtan is a historical whaling station situated in a sheltered natural harbour. This marine site is located 50 kilometres from the shore and requires boat access for both diving and snorkelling activities. The environment is characterised by extremely cold water, with temperatures ranging from -2C to 5C throughout the year. Divers and snorkellers should be prepared for moderate currents and potential surf. Due to the challenging conditions and the nature of the site, it is recommended for advanced participants. The site offers a unique historical perspective on Arctic maritime activity within a remote, deep-water setting.