Port Stanley West Breakwater functions as an artificial reef, with concrete and rock armour providing shelter for aquatic life against the lake currents. Snorkellers can explore the crevices along the breakwater structure, which sits at depths ranging from 3 to 10 metres, with an average depth of 5 metres. This shore entry site is suited for intermediate snorkellers due to the presence of strong currents, surf, and potential rip currents. Water temperatures fluctuate significantly throughout the year, ranging from 1 to 23 degrees Celsius. Divers and snorkellers should remain vigilant regarding active boat traffic in the area. Facilities available at the site include parking, toilets, showers, and changing rooms.

Main Beach on the west side of Rondeau and Erieau features a vast sandy-bottomed area with a very gradual drop-off. This freshwater site is accessible via shore entry, though divers should be prepared for variable conditions including strong currents, surf, and periods of low visibility. Water temperatures fluctuate significantly throughout the year, ranging from 1C in the winter months to 23C in August. Due to the challenging environmental factors, this site is rated poorly for snorkelling. Facilities available at the location include parking, toilets, and showers.

Erie Rest Beach offers a shallow freshwater shore entry suitable for beginners. The site features a transition from sandy areas to a rocky clay bottom, particularly toward the western edge near the bluffs. Depths typically range from 1 to 5 metres, with an average of 3 metres. Visibility varies between 3 and 10 metres, and currents are generally mild, though divers should be aware of potential rip currents and strong currents in the area. Facilities at the site include parking and toilets. Water temperatures fluctuate significantly throughout the year, ranging from 1C in February to 23C in August.

Fuhrman's Cave is a freshwater site located along the rocky bluffs near Rondeau and Erieau. This site features a shallow underwater cave and rock formation, which is a rare structural feature for the area. Divers can expect depths ranging from 2 to 12 metres, with an average depth of 7 metres. The site is accessed via a shore entry and is suitable for intermediate divers. Visibility typically fluctuates between 3 and 6 metres. Hazards include cold water temperatures and surf conditions. Facilities available at the site include parking and showers. Typical dives last approximately 30 minutes.

The Nimrod is a freshwater wreck located in Lake Erie, resting at depths between 10 and 19 metres. Access to the site is exclusively by boat charter. Divers encounter moderate currents, particularly around the vessel's superstructure. Visibility at the site fluctuates between 5 and 18 metres. Due to the overhead environment and potential for entanglement, this site requires careful buoyancy control and the use of a torch. Water temperatures at depth remain consistently cold, typically ranging from 3 to 9 degrees Celsius throughout the summer months. Divers should be prepared for cold-water conditions and possess appropriate thermal protection.

Gold Coast Shipwrecks in the Great Lakes region offers a challenging freshwater wreck diving experience at depths between 20 and 40 metres, with an average of 30 metres. The site features a wreck structure accessible from the shore, though divers must navigate potential surf and rip currents during entry. Conditions vary, with visibility ranging from 5 to 20 metres and mild currents. Water temperatures fluctuate significantly from 1C to 23C, requiring appropriate thermal protection such as a drysuit for most of the year. Due to the depth, cold water, and potential for entanglement or low visibility, this site is suited for intermediate divers who should carry redundant lighting.

Big Creek is a marshy freshwater site in the Great Lakes and Ontario region, often referred to as the Canadian Amazon. The topography consists of submerged logs and lily pads, providing a distinct environment for divers and snorkellers. Entry is via the shore, and the site is suitable for beginners. Conditions vary, with water temperatures ranging from 1°C to 23°C throughout the year. Divers and snorkellers should be aware of potential hazards including boat traffic, cold water, down currents, entanglement, low visibility, overhead environments, and strong currents. Parking is available at the site.

Cottonwood Beach is a shore entry site located in the Old Park section of Long Point near Port Rowan. This freshwater location features shallow depths ranging from 1 to 5 metres, with an average depth of 2 metres. It is suitable for beginners, though divers should be aware of potential hazards including boat traffic, surf, and cold water temperatures. Water temperatures fluctuate significantly throughout the year, peaking at 23°C in August and dropping to 1°C in February. Facilities available at the site include parking, toilets, showers, changing rooms, and a rinse station. The site is generally considered more appropriate for shallow water activities than deep diving.