Sherkston Shores Quarry is a spring-fed freshwater site located on the Niagara Peninsula. The quarry features various submerged mining equipment, including locomotives and rail cars, which are accessible in the shallower sections. Depths at this site range from 2 to 20 metres, with an average depth of 10 metres. Entry is via the shore, and the site is suitable for beginners. Visibility typically varies between 5 and 15 metres. Divers should be aware of the potential for low visibility. On-site facilities include parking, toilets, showers, changing rooms, air fills, equipment rental, a cafe, first aid, and guided tours.

Centennial at Cedar Bay Beach is a freshwater snorkeling site located on the Niagara Peninsula. The site features shallow limestone shelves extending into the water, with rocky patches near the shoreline. It is suitable for beginners, offering a peaceful environment with mild currents. Depths range from 1 to 4 metres, with an average of 2 metres. Visibility varies between 3 and 9 metres depending on conditions. Access is via a shore entry from the beach. Facilities available at the site include parking and toilets. Divers and snorkellers should be aware of potential hazards including boat traffic, cold water, entanglement, and surge.

Nickel Beach, located on the Niagara Peninsula, offers a shallow freshwater shore dive suitable for beginners. The site features a reef structure at the eastern end, which provides better visibility than the surrounding sandy areas. Divers can expect depths ranging from 1 to 2 metres. Conditions vary significantly, with visibility between 3 and 10 metres and moderate currents. Water temperatures fluctuate from 2C in winter to 24C in August, requiring thermal protection outside of the summer months. Hazards include cold water, surf, rip currents, and low visibility. Facilities at the beach include parking, toilets, and a cafe.

Sugarloaf Harbour Breakwall is an artificial reef site located in the Niagara Peninsula near Port Colborne. The site consists of a main breakwall providing extensive rocky structure that extends to depths of 15 metres, with an average depth of 10 metres. Conditions vary, with visibility ranging from 3 to 10 metres and moderate currents. Water temperatures fluctuate significantly throughout the year, from 2C in winter to 23C in August. Entry is possible from both shore and boat. Due to the depth and current conditions, this site is suited for advanced snorkelers.

Windmill Point Park Quarry is a 12-acre spring-fed limestone site located on the Niagara Peninsula. This freshwater quarry features depths ranging from 0 to 15 metres, with an average depth of 7 metres. Divers and snorkellers can explore intentionally submerged structures, including a small motorboat and a hidden duck. The site offers shore access and is suitable for beginners, with visibility typically varying between 3 and 15 metres. Facilities at the park include parking, toilets, showers, changing rooms, air fills, and a cafe. Potential hazards at this site include cold water, deep sections, and entanglement risks.

Windmill Point Park is a freshwater shore-entry dive site located on the Niagara Peninsula. The site features artificial reefs and wrecks situated in depths between 1 and 15 metres, with an average depth of 10 metres. It serves as a practical training location for beginner divers. Visibility typically ranges from 5 to 15 metres, though conditions can shift. The limestone basin acts as a natural solar blanket, warming the water during summer months. Divers can explore the structures year-round, and night diving is permitted. Facilities including parking, toilets, and changing rooms are available on-site. Divers may encounter various temperate freshwater fish and invertebrates common to the region.

The C. B. Benson is a freshwater wreck dive located in Lake Erie, resting at depths between 24 and 26 metres. Accessible only by boat, this site is suited for intermediate divers. Visibility is variable, ranging from 5 to 15 metres. The wreck provides an artificial reef habitat for various temperate freshwater fish and invertebrates. Divers should be aware of the risk of entanglement when navigating the structure and carry a cutting tool. Water temperatures fluctuate significantly throughout the year, requiring careful selection of exposure protection. A surface marker buoy is recommended for the ascent, particularly during periods of active boat traffic on the lake.

Ontario St Bridge is a shallow artificial reef site located in the Niagara Peninsula, Canada. The site features a consistent depth of 5 to 7 metres, making it suitable for beginner divers. Shore access is straightforward with on-site parking available for easy equipment preparation. Visibility typically ranges from 5 to 10 metres. Water temperatures fluctuate significantly throughout the year, ranging from 2 to 23 degrees Celsius, requiring appropriate thermal protection such as a drysuit outside of the summer months. Night diving is also permitted at this location, offering a different perspective of the artificial structure.