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.

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.

The Raleigh Wreck is a freshwater wreck dive located in the Niagara Peninsula, Canada. Resting at an average depth of 9 metres, the site is accessible to beginner divers. The wreck provides a structural focal point for exploration, with visibility typically ranging from 5 to 15 metres. Boat access is required to reach the site, which lies approximately 8 kilometres from shore. Divers should be prepared for variable water temperatures, which fluctuate between 2 and 24 degrees Celsius throughout the year. While currents are generally mild, they can strengthen, and surface conditions on Lake Erie can change rapidly. A drysuit or thick wetsuit is recommended outside of the summer months.

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.

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.

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.

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.

Swing Bridge is a shallow freshwater shore dive located in the Niagara Peninsula. The site features a wall formation with an average depth of 3 to 4 metres, reaching a maximum of 9 metres. Conditions include mild currents and visibility typically around 5 metres. Due to the low visibility and potential for entanglement, divers should maintain a streamlined kit and monitor their surroundings closely. Water temperatures fluctuate significantly throughout the year, ranging from 2C to 23C, making dry suits strongly recommended. This site is suitable for beginners and permits night diving. Local dive shops provide guided tours for those seeking support in this freshwater environment.