Little Wissahickon is a wreck site located in Lake Erie, serving as an artificial reef. The structure sits at depths between 15 and 23 metres. Divers must access the site by boat. Conditions include moderate currents and visibility ranging from 5 to 10 metres, which can shift rapidly. Water temperatures fluctuate significantly throughout the year, from 1C to 20C, necessitating the use of a drysuit. Hazards include boat traffic, entanglement risks on the wreck, and cold water. Divers should maintain strict buoyancy control, use a surface marker buoy, and carry a dive light to navigate the variable visibility.

The Willis Wreck is a freshwater shipwreck located in Lake Erie near Rondeau and Erieau. Resting at depths between 10 and 19 metres, the site is suitable for intermediate divers. Access is exclusively by boat, and divers should coordinate with local operators before departure. Conditions feature mild currents and visibility ranging from 5 to 15 metres. Water temperatures fluctuate significantly throughout the year, ranging from 1 to 24 degrees Celsius, requiring careful selection of exposure protection. As facilities are unconfirmed at the site, divers should secure air fills and equipment needs in town prior to heading out.

The Lycoming is a shallow shipwreck located in Lake Erie, resting at depths between 3 and 7 metres. This site is suitable for beginner divers due to its accessible depth and the requirement for boat entry. Visibility typically ranges from 5 to 10 metres, though conditions can fluctuate. Divers should exercise caution regarding entanglement risks posed by the wreck structure and remain aware of potential visibility changes. As a freshwater site, the wreck provides hard relief against the lake bottom. Divers are advised to bring a torch to inspect the structure and to monitor their depth closely throughout the dive.

Erieau Pier and Lighthouse offers a freshwater shore entry site characterised by rocky foundations and submerged boulders. These structures provide habitat for local fish populations. The site is suitable for beginners, with mild currents and visibility ranging from 5 to 60 metres. As Lake Erie is the shallowest and warmest of the Great Lakes, water temperatures fluctuate significantly, reaching up to 24C in August and dropping to 1C in February. Divers and snorkellers should be prepared for cold water, potential entanglement hazards, and variable visibility. Parking is available for site access. Typical dives last approximately 30 minutes.

The Erieau Schooner Fragment Site features the remains of a 19th-century shipwreck located in shallow freshwater near the shore. Snorkellers can explore the area to find smaller debris and artifacts partially buried in the sand. The site is suitable for beginners, with depths ranging from 1 to 5 metres and an average depth of 3 metres. Access is via the shore. Conditions at this location vary, and visitors should be aware of potential hazards including boat traffic, cold water, low visibility, and surf. The water temperature fluctuates significantly throughout the year, ranging from 1C in February to 24C in August.

Erieau Main Beach offers a shallow, sandy-bottomed freshwater environment suitable for beginners and families. Snorkelers can explore the buoy-protected zone, which extends up to 100 metres from the shore. Depths range from the surface to 3 metres, with visibility typically between 3 and 10 metres. Conditions vary, and users should be aware of potential hazards including surf, rip currents, and fluctuating visibility. The site provides convenient shore access and is supported by facilities such as parking, toilets, showers, and changing rooms. Water temperatures fluctuate significantly throughout the year, ranging from 1 degree Celsius in February to 24 degrees Celsius in August.

Rondeau Provincial Park South Beach is a freshwater shore-entry site located on Lake Erie near the park's Visitor Centre. The site features sandy ridges and driftwood structures that provide interest for snorkellers. Conditions are variable, with depths starting at one metre and mild currents present. The site is suitable for beginners, though snorkellers should be aware of potential hazards including surf and rip currents. Facilities at the park include parking, toilets, showers, changing rooms, and a rinse station. Typical sessions last around 30 minutes. Water temperatures fluctuate significantly throughout the year, ranging from 1 degree Celsius in February to 24 degrees Celsius in August.

Rondeau Bay Marshes offers a freshwater snorkeling experience located on the bay side of the peninsula. The site is characterized by dense aquatic vegetation within a shallow wetland environment. Depths typically range from 1 to 3 metres, with an average of 2 metres. Snorkellers should be aware of hazards including boat traffic, potential entanglement in vegetation, and low visibility, which generally fluctuates between 1 and 3 metres. Entry is via the shore, and the site features mild currents. Facilities at the location include parking and toilets. This site is suited for intermediate snorkellers, with a typical session lasting approximately 30 minutes.