Charles Daley Park in Jordan offers shore access to a freshwater artificial reef environment. The site features a mix of sandy and rocky bottom topography, with snorkelling activities focused along the rocky breakwaters where fish congregate in crevices. Depths range from 1 to 7 metres, with an average of 4 metres, making it suitable for beginners. Conditions vary, with visibility typically between 3 and 10 metres and mild currents. Hazards include cold water and surf. Facilities at the park include parking, toilets, showers, changing rooms, and a rinse station. The site supports a variety of temperate freshwater fish and invertebrates typical of the Great Lakes region.

The Tiller Wreck is a pre-1850s two-masted wooden schooner located in the Niagara Peninsula. This freshwater wreck site features a rudder, windlass, cargo holds, and two fallen masts complete with crowsnests. Situated at a depth of 35 metres, the site requires boat access and is located 6000 metres from shore. Visibility typically ranges from 12 to 18 metres. Due to the depth and cold water temperatures, which often remain in the low single digits Celsius, this site is suitable only for advanced divers. Hazards include cold water, entanglement risks, and the overhead environment. Divers should be aware that regulators can freeze in these conditions.

Sunset Beach, located on the Niagara Peninsula, features a long, shallow shelf extending into Lake Ontario. This site is suitable for beginners, though conditions vary significantly due to the presence of strong currents, rip currents, and surf. Snorkellers should be aware of low visibility and the potential for jellyfish. The site provides shore access and includes facilities such as parking, toilets, showers, and a rinse station. Boat charters and guided tours are also available for those exploring the area. Water temperatures fluctuate throughout the year, ranging from 4C in the winter to 22C in August.

Cherie Road Park is a freshwater snorkeling site located on the Niagara Peninsula. Access to the beach is provided via the Walker's Creek Trail and a steep staircase. The site is suitable for beginners, though conditions vary and include hazards such as cold water, strong currents, and surf. Water temperatures fluctuate significantly throughout the year, ranging from 4C in winter to 22C in August. Prolonged immersion in temperatures below 21C carries a risk of hypothermia. Facilities at the park include parking, toilets, and showers. Snorkelers should exercise caution due to the potential for strong currents and surf conditions typical of the Great Lakes environment.

Grimsby Beach offers a unique freshwater dive experience centred on the submerged wooden pilings of a historic ferry pier. These structures, which once served steamships, now function as an artificial reef. The site is accessed from the shore and is best suited for intermediate divers due to potential hazards including boat traffic, surf, low visibility, and cold water. Water temperatures fluctuate significantly throughout the year, ranging from 3C in winter to 21C in summer. Divers should be prepared for cold water conditions outside of the peak summer months to avoid hypothermia. Facilities at the site include parking, toilets, showers, and changing rooms.

Forty Mile Creek Park is situated where the creek meets Lake Ontario, offering a unique environment defined by small rough-sand beaches and a rocky ridge. This site is suitable for intermediate snorkelers who can navigate the variable conditions of the lake and creek interface. Water temperatures fluctuate significantly throughout the year, ranging from 3C in the winter months to a peak of 21C during July and August. Access to the water is via the shore. Due to the nature of the environment, visitors should be prepared for changing water conditions and temperatures when planning their visit to this Niagara Peninsula location.

Murray Street Park in Grimsby offers shore access to Lake Ontario. This site is suitable for beginners, though divers should be prepared for cold water and low visibility, which typically ranges from 3 to 6 metres. A thermocline is often present, with temperatures below 9 metres dropping significantly compared to surface levels. Divers must remain aware of boat traffic in the area. The entry point is rocky, requiring caution when entering or exiting the water. Parking is available at this residential lakefront park, making it a convenient location for a quick dive in the Great Lakes region.

Casablanca Beach on the Niagara Peninsula offers a quiet freshwater snorkelling environment along the Great Lakes Waterfront Trail. The site features a shoreline composed of a mix of sand and stone. Water temperatures fluctuate significantly throughout the year, ranging from 3C in the winter months to 21C during July and August. Snorkellers should be aware of the potential for cold water and low visibility conditions. Access is via a shore entry, and the site provides basic facilities including parking and toilets. It is suitable for beginners seeking a tranquil experience away from larger crowds.