Caribou-Munroes Island on the Nova Scotia Eastern Shore features a sandspit connecting to Munroes Island, creating extensive tidal pools and shallow flats. This site is suitable for beginners, offering a calm environment for snorkelling. The reef area maintains an average depth of 3 metres, with a total depth range of 1 to 5 metres. Shore entry is available, and the site provides facilities including parking, toilets, showers, and changing rooms. Divers and snorkellers should be aware of jellyfish and sea urchins in the area. Visibility typically ranges between 1 and 5 metres, and currents are generally mild.

Wharf Beach on the Nova Scotia Eastern Shore is a reef site offering snorkelers access to depths between 2 and 10 metres, with an average depth of 5 metres. The site features both shore and boat entry points and is suited for intermediate snorkelers. Conditions vary, with visibility ranging from 3 to 10 metres and mild currents present. Water temperatures fluctuate significantly throughout the year, ranging from -1C in winter to 20C in August. Visitors should be aware of potential hazards including rip currents, strong currents, and surf. Facilities at the location include parking, toilets, changing rooms, and the availability of guided tours.

Arisaig Provincial Park, known for its Fossil Cliffs, offers a unique opportunity to explore 400-million-year-old Silurian rock formations. The site features a rocky bottom that provides habitat for local marine life. Divers and snorkellers should be prepared for strong currents and surf, making this an intermediate-level site. Access is via the shore. Water temperatures fluctuate significantly throughout the year, ranging from -1C in winter to 20C in August. The park provides comprehensive facilities, including parking, toilets, showers, changing rooms, a rinse station, and access to air fills, equipment rental, and guided tours.

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.

Wood Islands Provincial Park Beach offers a convenient shore entry point situated adjacent to the ferry terminal. This site is suitable for beginners looking for a relaxed snorkeling experience in the shallows. Water temperatures fluctuate significantly throughout the year, ranging from -1C in the winter months to 20C in August. The park provides comprehensive facilities for visitors, including parking, toilets, showers, changing rooms, and a rinse station. A cafe is also available on-site for convenience. Due to the variable nature of the marine environment and seasonal temperature shifts, visitors should plan their activity according to the local conditions.

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.

Malignant Cove on the Nova Scotia Eastern Shore is a reef site characterised by a mix of rocky outcrops and sandy patches. Named for a shipwreck, the site is accessible via a shore entry and is suitable for intermediate snorkelers. Water temperatures fluctuate significantly throughout the year, ranging from -1C in winter months to 20C in August, with reports of temperatures as low as -3C in April. Due to the cold water and potential for surf, appropriate thermal protection is required. Parking facilities are available for visitors at this location.

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.