La Grande Hermine is a 140-foot replica shipwreck located in the shallow waters of Jordan Harbour on the Niagara Peninsula. Situated approximately 15 metres from the shore, the wreck lies at depths ranging from 1 to 5 metres, with an average depth of 3 metres. The site is accessible by both shore and boat, though snorkelers should maintain a safe distance from the structure as it is currently being dismantled for safety. Conditions include moderate currents and variable visibility. Water temperatures fluctuate significantly throughout the year, ranging from 4°C in winter to 22°C in August. Parking is available at the site.

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.

Firelane 1 is a rugged, natural shoreline park situated along the Buffalo Harbor and Niagara River. Access to the water requires navigating a steep trail down a clay cliff, leading to a rocky entry point. The site is suited for intermediate snorkellers due to the challenging terrain and unmaintained nature of the area. Water temperatures fluctuate significantly throughout the year, ranging from 4C in the winter months to 22C in August. Depths at this site begin at 1 metre. Parking is available for visitors at the top of the cliff.

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.

Chippawa Creek Drift is a freshwater drift site located on the Niagara Peninsula. Snorkellers enter from the shore to experience a moderate current that carries them over a seagrass-covered bottom. The site features an artificial reef structure and reaches depths of up to 12 metres. Visibility typically ranges between 3 and 6 metres. Due to the presence of boat traffic, entanglement risks, and the moderate current, this site is suited for intermediate snorkellers. Facilities at the site include parking and toilets. The water temperature fluctuates significantly throughout the year, ranging from 2C in winter to 24C in late summer.