Hidden Lake is a remote freshwater site in Canada, accessible via a portage from Powder Point near Yellowknife. This wilderness location offers visibility often exceeding 10 metres, with depths reaching up to 15 metres. The site is suitable for advanced divers and snorkellers due to the required portage and backcountry nature of the location. Entry is from the shore. Facilities at the site include parking and toilets. As a freshwater environment, the site features a pristine wilderness setting, though no specific marine life is recorded here.

Tartan Rapids is a dynamic freshwater site located where the Yellowknife River flows into Prosperous Lake. Divers and snorkellers experience a challenging environment characterised by strong currents and low visibility, which typically ranges between 1 and 5 metres. The site features a reef-like topography with depths ranging from 1 to 4 metres, averaging 3 metres. Due to the strong currents and cold water temperatures, this site is suited for advanced divers. Entry is possible from both shore and boat, with the site located 2500 metres from the shore. Facilities at the location include parking and toilets.

The Yellowknife River Bridge offers a unique freshwater snorkeling experience beneath the structure. The site is characterised by an artificial reef environment created by debris and items dropped from the bridge above. Divers and snorkellers should be prepared for moderate currents and variable conditions, including low visibility and cold water temperatures. Due to the presence of submerged objects, entanglement is a potential hazard. This site is best suited for intermediate snorkellers who are comfortable navigating these specific environmental challenges. Access is via a shore entry point near the bridge.

Cameron Falls features a pool at the base of a 17-metre waterfall, accessible via a scenic hike. Snorkelers enter from the shore to explore the area, which is located 1200 metres from the shore. The site offers depths ranging from 1 to 4 metres, with an average depth of 2 metres. Underwater, the moving water has carved distinct rock formations. Conditions are challenging, with cold water temperatures averaging 11.2°C in summer, low visibility of 1 to 3 metres, and mild currents. Due to the cold water and limited visibility, this site is suited for intermediate snorkelers. Typical sessions last 30 minutes. Facilities at the site include parking and toilets.

Long Lake Beach in Canada offers a shallow freshwater environment suitable for beginners. The site features a long sandy beach providing easy shore access for snorkellers. Depths range from 1 to 9 metres, with an average depth of 2 metres. Water conditions are variable, with average summer temperatures around 11.2°C and the presence of temporary thermal stratification. Divers and snorkellers should be prepared for cold water and thermoclines. Facilities at the site include parking, toilets, showers, and changing rooms. The site is well-suited for those looking to practice in a controlled, accessible freshwater setting.

Romance Harbour, located within the West Mirage Islands of Great Slave Lake, offers a rocky underwater terrain suitable for intermediate divers. Access to this site requires a boat. Divers should be prepared for extremely cold water temperatures, which typically do not exceed 11.2°C and often approach freezing. Conditions include mild currents and low visibility, with potential hazards including cold water, entanglement, and limited sightlines. The site supports a habitat for temperate freshwater fish and invertebrates. Due to the severe water temperatures, this location is not suitable for comfortable swimming, though it is rated for snorkelling.