Long Island in Koojesse Inlet acts as a natural barrier, forming narrow, current-swept channels. Snorkellers can explore the rocky shallows surrounding the island. Given the water temperatures, which range from -2C to 1C throughout the year, this site is suited for intermediate snorkellers prepared for cold-water conditions. Access to the site is by boat. The topography consists of rocky shallows that provide a distinct environment for exploration within the inlet.

Monument Island, located in Koojesse Inlet, features steep underwater drop-offs and rocky reefs. This boat-access site is suited for advanced snorkelers due to the challenging environment. Water temperatures are extremely cold year-round, ranging from -2C to 1C, which necessitates specialized thermal protection for all water activities. Visibility at the site typically fluctuates between 5 and 15 metres. The island's position within the inlet serves as a corridor for passing marine mammals. Given the extreme water temperatures, this location presents significant cold water hazards for those entering the water.

Sylvia Grinnell is located where the Sylvia Grinnell River meets the salt water of Frobisher Bay near Iqaluit. This site is suitable for intermediate snorkelers, offering an average depth of two metres with a range between one and three metres. Access is via the shore. Conditions are influenced by the cold Baffin Island Current, resulting in water temperatures that vary significantly throughout the year. Divers and snorkelers should be aware of the moderate currents and the hazards associated with cold water. Facilities at the site include parking, toilets, showers, changing rooms, a rinse station, a cafe, first aid, a dive shop, and boat charter services.

Qaummaarviit Territorial Park, located on a small island 12 kilometres west of Iqaluit, offers a unique combination of Thule archaeological history and marine habitats. Divers and snorkellers can explore vibrant kelp forests and reef structures within the sheltered coves surrounding the island. Visibility at this site reaches up to 15 metres. The environment supports a variety of regional marine life, including invertebrates and fish adapted to Arctic conditions. Due to the extreme water temperatures ranging from -2C to 1C, this site is suitable for intermediate participants who possess appropriate cold-water exposure protection. Access to the site requires a boat.

Frobisher Bay Floe Edge is a seasonal site in Canada where land-fast ice meets the open ocean. This environment requires advanced skills due to the extreme Arctic conditions, including water temperatures ranging from -2C to 1C. Snorkellers experience depths averaging 4 metres, with visibility typically between 10 and 25 metres. The site features moderate currents and presents hazards including cold water, potential overhead environments, and strong currents. Access is available via both shore and boat, with guided tours recommended for this short, 15-minute activity. The site is rated 5/5 for snorkelling, providing a unique opportunity to observe the interface between the ice and the sea.