The Cecil J is a freshwater wreck dive located in Lake Erie, accessible only by boat. The site sits at depths ranging from 5 to 30 metres, with an average depth of 15 metres. Divers encounter mild currents and visibility that fluctuates between 5 and 20 metres. Due to the wreck structure, entanglement is a primary hazard, requiring careful buoyancy control. Water temperatures vary significantly throughout the year, from 1C in winter to 23C in summer, and a thermocline is present. A drysuit or thick wetsuit with hood and gloves is recommended to manage the cold water. Divers should check local conditions for visibility shifts before departure.

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.

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.

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.

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.

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.

Bluff Bar is a remote sandbar located in the Outer Bay of the Great Lakes, Ontario. This freshwater site features a sandy environment that rises from depths of approximately 8 metres to just inches below the surface. Snorkellers typically experience depths ranging from 1 to 8 metres, with an average of 5 metres. Access to this site requires a boat, as it is situated 3000 metres from the shore. Conditions vary, with mild currents and potential hazards including boat traffic, entanglement, low visibility, and surge. The site is suited for intermediate snorkellers, with a typical visit lasting 45 minutes.

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.