Normandale Beach on the Niagara Peninsula offers a gradual drop-off and a shore entry point for snorkellers. The shoreline is characterised by small rocky patches. Conditions at this freshwater site are variable, with potential for strong currents, surf, and low visibility. Water temperatures fluctuate significantly throughout the year, ranging from 1°C in winter to 23°C in August. The swimming season is generally limited to July through September when temperatures reach approximately 20°C. Due to the cold water and potential for strong currents, this site is best suited for those prepared for challenging freshwater conditions. Parking is available for visitors.

Peacock Point is a rocky limestone shelf extending into the lake, offering a stable bottom compared to nearby sandy bays. This freshwater site features significant seaweed beds that serve as nurseries for local aquatic life. Snorkelling here is suitable for beginners, with depths ranging from 1 to 5 metres and an average depth of 3 metres. Access is via a shore entry. Conditions include mild currents and visibility between 2 and 5 metres. Hazards include surf, low visibility, and jellyfish. Facilities at the site include parking, toilets, and showers. Water temperatures vary significantly throughout the year, reaching comfortable levels for swimming between July and September.

Turkey Point Breakwater serves as an artificial reef formed by the rocky structure of the marina breakwall. This freshwater site offers depths ranging from 2 to 10 metres, with an average depth of 6 metres. Divers can expect moderate currents and visibility typically between 15 and 18 metres. Entry is via the shore. The site is suitable for intermediate divers, though conditions vary. Hazards include boat traffic, cold water, low visibility, and surge. Facilities available at the location include parking, toilets, and showers. Snorkelling is possible at this site, with a rating of 3 out of 5.

The Wilma Wreck is a freshwater dive site located in the Niagara Peninsula region of Lake Erie. This wreck sits at depths ranging from 3 to 74 metres, with an average depth of 23 metres, making it suitable for intermediate divers. Visibility typically ranges between 5 and 15 metres. Access is by boat only, located approximately 16 kilometres from shore. Divers should be prepared for mild currents and potential entanglement hazards within the structure. Due to significant temperature fluctuations between 1 and 23 degrees Celsius, drysuits are strongly recommended. The site supports a variety of temperate freshwater fish and invertebrates typical of the Great Lakes habitat.

Ryerson's Island Shallows is a freshwater site located in the Inner Bay of the Great Lakes and Ontario, Canada. This area features shallow, protected waters surrounding a small island, characterised by a mix of reef and seagrass habitats. The site is suitable for beginners and requires boat access. Water temperatures fluctuate significantly throughout the year, ranging from 1C in the winter months to 23C in August. Facilities available at the site include parking, toilets, and showers. The current is generally mild, making it a manageable location for snorkelling activities.

The Brown Brothers Wreck is a freshwater shipwreck located in Lake Erie, resting at depths between 20 and 30 metres with an average of 25 metres. This boat-accessible site offers visibility ranging from 5 to 10 metres. Divers should be prepared for cold water conditions, as temperatures fluctuate significantly throughout the year, requiring a drysuit or a thick 7mm wetsuit with hood and gloves. The site is suitable for beginners, though divers must remain aware of entanglement hazards within the structure and carry a cutting tool. There is no current, allowing for a controlled exploration of the wreck's remains.

The 17 Fathom Wreck is a deep-water site located 19 kilometres offshore in Lake Erie, accessible only by boat. Resting at a depth of 32 to 33 metres, this wreck requires advanced diving skills and strict buoyancy control. Divers encounter mild currents and visibility ranging from 5 to 15 metres. Water temperatures fluctuate significantly throughout the year, from 1 degree Celsius in winter to 23 degrees Celsius in August, necessitating careful thermal protection planning. Due to the depth, cold water, and potential for entanglement within the structure, this site demands high levels of wreck-diving discipline and experience.

Pottahawk Point is a shallow sandbar located at the boundary of the Inner and Outer Bays in the Great Lakes of Ontario. This site features sandy flats and weed beds, offering a shallow environment for snorkelers with depths ranging from 1 to 5 metres. Access is by boat only, as the site is situated 8 kilometres from the shore. Conditions vary, with visibility typically between 3 and 10 metres and mild currents. Hazards include boat traffic, surge, and cold water temperatures. The site is suitable for beginners, though water temperatures fluctuate significantly throughout the year, peaking in late summer.