Peche Island, located at the confluence of Lake St. Clair and the Detroit River, offers a unique freshwater snorkeling experience. The site features shallow canals and a northern rocky shoreline where snorkelers can explore historical ruins and various submerged structures. Access is available from both shore and boat, with the site situated 330 metres from the shore. Conditions vary, with moderate currents and potential for low visibility, cold water, and boat traffic. Due to these factors, including down currents and entanglement risks, this site is suited for intermediate snorkelers. Water temperatures fluctuate significantly throughout the year, ranging from 1°C in February to 23°C in August.

K. Walter Ranta Memorial Park serves as a public shore access point along the Detroit River in Amherstburg. The site features a rocky shoreline that allows for shallow-water exploration of the riverbed. Conditions are variable, with water temperatures ranging from 1°C to 25°C throughout the year. Due to the nature of the river environment and cold water temperatures, this site is rated for intermediate snorkelers. Parking is available for visitors. Divers and snorkelers should be prepared for cold water hazards when entering the river.

Elizabeth Park is a muck dive site located in the Detroit River, suitable only for advanced divers. The site features depths ranging from 2 to 9 metres and is accessed via the shore. Divers should be prepared for strong currents, low visibility, and potential hazards including boat traffic and entanglement. Due to these challenging conditions, specialized equipment and training for river diving are required. The site offers opportunities to search for historical items such as old bottles. Facilities at the park include parking, toilets, and showers. Water temperatures fluctuate significantly throughout the year, ranging from 1 degree Celsius in winter to 23 degrees Celsius in July.

White Sands is located at the southern tip of Boblo Island where the Detroit River meets Lake Erie. This site features a man-made white sand beach and a combination of natural and artificial reef structures. Snorkellers can explore depths ranging from 5 to 15 metres, with an average depth of 10 metres. Access is strictly by boat, as shore entry is not possible. Conditions include mild currents and visibility typically between 2 and 5 metres. Water temperatures fluctuate significantly throughout the year, ranging from 1 to 25 degrees Celsius. Due to the presence of boat traffic and potential entanglement hazards, this site is best suited for intermediate-level snorkellers.

Cedar Beach in Kingsville is a sandy site situated at the mouth of Cedar Creek. Snorkellers typically explore the area near the breakwater and the creek mouth, where the transition zone between the creek and Lake Erie provides a habitat for various freshwater fish. The site is accessible from the shore and features facilities including parking, toilets, and showers. Conditions at this freshwater location are variable, with potential hazards including boat traffic, cold water, low visibility, rip currents, strong currents, and surf. Water temperatures fluctuate significantly throughout the year, ranging from 1C in winter to 24C in peak summer months.

Mettawas Beach in Kingsville provides shore access to the shallow limestone shelves of Lake Erie. The site features a mix of natural reef topography and artificial structures, including scattered rocks and submerged features. Snorkellers should be aware of variable conditions, as the site is subject to boat traffic, surf, and potential rip currents. Visibility can be low, and water temperatures fluctuate significantly throughout the year, ranging from 1°C in winter to 24°C in peak summer. Facilities at the beach include parking, toilets, showers, and a rinse station. Guided tours are available for those seeking assistance in navigating the area.

Lakeside Park Beach features a sandy shoreline complemented by rocky breakwaters that function as artificial reefs. This freshwater site is suitable for beginners and offers shore access for snorkelling. Water temperatures fluctuate significantly throughout the year, ranging from 1C in winter months to 24C during July and August. Divers and snorkellers should be aware of potential hazards including strong currents and surf conditions. Facilities available at the park include parking, toilets, showers, changing rooms, and equipment rental services.

Holiday Beach is a popular shore-entry snorkeling site located along the Lake Erie shoreline near Rondeau and Erieau. The site features a long sandy beach with a shallow, sandy bottom, making it suitable for beginners. Water temperatures fluctuate significantly throughout the year, ranging from 1C in winter months to 25C in July. Divers and snorkellers should be aware of variable conditions, including potential rip currents, surf, surge, and periods of low visibility. On-site facilities include parking, toilets, showers, and changing rooms to support visitors.