Craigleith Provincial Park in Georgian Bay offers a shallow freshwater reef experience characterised by 450-million-year-old fossils embedded in underwater shale plates. The site features flat rock ledges that allow for a gradual shore entry into the water. Depths are shallow, ranging from 1 to 5 metres with an average of 3 metres, making it suitable for beginners. Visibility varies between 3 and 10 metres. Divers and snorkellers should be prepared for cold water temperatures, which fluctuate significantly throughout the year. Facilities available at the park include parking, toilets, showers, changing rooms, equipment rental, and a cafe.

Sunset Point in Georgian Bay offers shore-entry snorkeling from a limestone shelf known as Black Rock. The site features underwater boulders and crevices that provide a varied topography for snorkelers. Conditions at this freshwater site are generally suitable for beginners, though water temperatures fluctuate significantly throughout the year, ranging from 1C to 21C. Divers and snorkelers should be aware of potential surf and the risks associated with cold water. Facilities at the site include parking, toilets, showers, changing rooms, a rinse station, and a cafe. Guided tours and a dive shop are also available nearby to support visitors.

Christie Beach in Georgian Bay is a freshwater reef site located west of Collingwood. The topography consists of a sandy bottom, providing calm and shallow conditions suitable for beginner divers and snorkellers. Shore access is available, and the site features parking and toilets for visitors. Water temperatures vary significantly throughout the year, ranging from 2°C in winter to 21°C in August. Divers should be prepared for cold water conditions, which remain a primary hazard. Typical dives last approximately 45 minutes. The site is well-suited for those seeking a relaxed, shallow-water experience in a protected environment.

Meaford Memorial Park offers a 2,000-foot stretch of sandy and small pebble shoreline along Georgian Bay. The water remains shallow for a significant distance from the shore, providing a suitable environment for beginner snorkelers. Access is straightforward via a shore entry. Water temperatures fluctuate throughout the year, ranging from 2°C in late winter to 21°C in August. Due to the risk of rapid heat loss, appropriate thermal protection is necessary when temperatures fall below 13°C. The site is well-equipped with amenities including parking, toilets, showers, changing rooms, and an on-site cafe.

Fred Raper Park, also known as Pebble Beach, is a small, accessible shore entry site located near the Meaford harbour in Georgian Bay. This freshwater reef site offers a quick entry into the water, with views of the Cape Rich cliffs visible in the distance. The site is suitable for beginners, though water temperatures are very cold for most of the year. Comfortable swimming conditions typically occur only between July and September, when temperatures rise above 20°C. Facilities at the park include parking, toilets, and changing rooms. Due to the cold water hazard, appropriate thermal protection is recommended for all water activities.

The Nottawasaga River Mouth in Georgian Bay offers a shallow freshwater snorkelling experience with depths ranging from 1 to 3 metres. The site is primarily sandy, featuring driftwood structures that create an artificial reef environment. Entry is via the shore, though snorkelers should be aware of moderate currents and variable visibility between 1 and 5 metres, which is influenced by river silt and rainfall. Water temperatures fluctuate significantly throughout the year, peaking at 21C in August. Due to the presence of boat traffic, cold water, and potential entanglement hazards, this site is best suited for beginners who are comfortable with these conditions. Facilities including parking, toilets, showers, and changing rooms are available nearby.

The Mapledawn is a freshwater wreck located in Georgian Bay, Canada. Resting at depths between 3 and 9 metres, the site is suitable for intermediate divers. Access is by boat, with the wreck situated 91 metres from the shore. Divers encounter mild currents and visibility ranging from 5 to 15 metres. Water temperatures fluctuate significantly throughout the year, reaching up to 21 degrees Celsius in August and dropping to 1 degree Celsius in late winter. Hazards include potential entanglement and variable visibility. Divers should use a torch to explore the wreck's recesses and maintain strict buoyancy control when navigating the structure.

The Michigan is a shallow freshwater wreck located in Georgian Bay, Canada. Resting at an average depth of 6 metres, the site is accessible for beginner divers. Access to the wreck requires a boat, as it is situated 10 kilometres from shore. Visibility typically ranges from 5 to 10 metres. Divers should be prepared for cold water temperatures, which fluctuate between 1°C and 21°C throughout the year, necessitating appropriate thermal protection. Hazards at this site include cold water, potential entanglement with the wreck structure, and low visibility. Divers are advised to secure all equipment and avoid entering enclosed sections without specific wreck training.