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.

Pangnirtung Waterfront is a shore-entry site situated along the ancient beach terrain of the town. The topography consists of rocky intertidal zones and kelp forests that are best explored during high tide when submerged. Depths range from 0 to 15 metres, with an average of 10 metres. Visibility is highly variable, ranging from 5 to 50 metres. Due to the extremely cold water temperatures, which fluctuate between -2°C and 5°C, this site is suitable only for advanced snorkelers equipped with specialized thermal protection. Hazards include cold water, entanglement in kelp, low visibility, sea urchins, and surf.

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.