Kings Castle Provincial Park offers a riverfront snorkeling experience along the Murray River. This site features brackish water with a substrate of seagrass and red silt, providing a habitat for various temperate freshwater and estuarine organisms. Water temperatures fluctuate significantly throughout the year, ranging from -1C in winter to 20C in August. Access is via a shore entry, making it suitable for beginners. Facilities available at the park include parking, toilets, and a cafe. Divers and snorkellers should be aware of potential strong currents in the river environment.

Guernsey Cove on the Nova Scotia Eastern Shore features a rugged landscape defined by red cliffs and a rocky shoreline. This site offers a mix of reef and seagrass habitats accessible via a shore entry. Conditions are generally suitable for beginners, though divers should be aware of potential hazards including surf, rip currents, and jellyfish. Water temperatures fluctuate significantly throughout the year, ranging from -1C in winter to 20C in August. The site is rated 3/5 for snorkelling, providing a varied environment for those exploring the coastal waters of Canada.

Seal Cove Beach on the Nova Scotia Eastern Shore offers a shallow reef environment suitable for beginners. Located below the Seal Cove Campground, the site features a mix of sandy and rocky bottoms with depths ranging from 1 to 8 metres, averaging 4 metres. Snorkellers can observe juvenile fish in the shallows and search for sea glass. Entry is from the shore, though visitors should be aware of potential rip currents and surf. Water temperatures vary significantly throughout the year, reaching up to 20°C in August. Facilities at the site include parking, toilets, showers, changing rooms, and a rinse station.

Poverty Beach on the Nova Scotia Eastern Shore offers a shallow snorkeling experience ranging from 1 to 5 metres. The site features the submerged remains of an old pier, with cement and wooden pillars creating an artificial reef structure. This habitat supports various temperate marine life, including schools of small fish and invertebrates. Entry is via the shore, and the site is suitable for beginners, though conditions vary with visibility typically between 3 and 10 metres. Divers and snorkellers should be aware of cold water temperatures and potential entanglement hazards near the pier remains. Parking is available for visitors.

Murray Head Cliffs features a rugged underwater landscape defined by sandstone cliffs, fallen boulders, and kelp forests. Located near Cape Bear, this site offers a challenging environment for snorkelers due to moderate currents, surge, and potential rip currents. The topography is complex, requiring advanced skill levels for safe navigation. Water temperatures fluctuate significantly throughout the year, ranging from -1C in late winter to 20C in August. Access to the water is possible from both shore and boat. Given the environmental conditions and physical hazards, this site is best suited for experienced snorkelers comfortable with variable marine conditions.

Murray Harbour is an offshore reef site located approximately 16 kilometres from the Nova Scotia Eastern Shore. This boat-access location features deep waters with depths ranging from 80 to 100 metres, averaging 90 metres. Divers and snorkellers encounter mild currents and visibility typically between 10 and 25 metres. Water temperatures are cold, fluctuating between -1C and 12C throughout the year. Due to the significant depth and environmental conditions, this site is suited for advanced divers. Hazards at this location include jellyfish and sharks. Local facilities provide air fills, boat charters, guided tours, and gear storage to support the 120-minute typical dive duration.

Panmure Ledge on the Nova Scotia Eastern Shore offers shallow reef diving directly below the historic lighthouse. The site features rocky shoals that contrast with the surrounding sandy beach, providing a habitat for various temperate marine life. Divers and snorkellers can expect depths between 3 and 6 metres, with an average of 4 metres. Conditions are cold, with water temperatures ranging from -1C to 20C, making dry suits necessary for most of the year. Entry is from the shore, though divers should be aware of moderate currents and potential surf. Facilities at the site include parking, toilets, showers, changing rooms, and a cafe.

Northumberland Provincial Park features distinctive red sandstone ledges that create an interesting underwater landscape for snorkellers. Located along the Nova Scotia Eastern Shore, this site is suitable for beginners and offers a shallow experience with depths ranging from 1 to 5 metres, averaging 3 metres. Access is via a shore entry. Conditions vary, with visibility typically between 3 and 10 metres and mild currents. Hazards include cold water temperatures and potential surf. Facilities at the park include parking, toilets, showers, changing rooms, and a rinse station.