US 104 is a World War I-era concrete barge located in Buffalo Harbor and the Niagara River. Situated 50 metres from shore, this wreck serves as an artificial reef in shallow freshwater. The site is suitable for beginners, with depths ranging from 2 to 4 metres and an average depth of 3 metres. Visibility typically reaches 9 to 12 metres. Access is by boat only, and divers should remain aware of boat traffic in the area. Water temperatures fluctuate significantly throughout the year, ranging from 2C in February to 24C in August. The site is also suitable for snorkelling.

Seneca Shoal is a natural limestone reef and rock outcrop situated approximately 8 kilometres from the shore of Buffalo Harbor. This freshwater site features depths ranging from 4 to 9 metres, with an average depth of 6 metres. Access is strictly by boat. Divers and snorkellers should be prepared for variable conditions, including cold water, low visibility, and the potential for strong currents, rip currents, and surf. Due to these environmental factors, the site is best suited for intermediate-level participants. Significant temperature differentials may be encountered below the thermocline during the summer months.

Washing Machine is a freshwater drift and artificial reef dive site located in the Niagara Peninsula. Divers can expect an average depth of 9 metres. The site is accessed from the shore and features moderate currents. Visibility at this location typically ranges between 9 and 12 metres. Water temperatures fluctuate significantly throughout the year, ranging from 2C in the winter months to 24C in August. Due to the nature of the site, divers should be aware of potential hazards including entanglement, low visibility, and strong currents. This site is best suited for intermediate divers.

Railway Bridge Drift in the Niagara Peninsula is a freshwater drift and wreck dive accessible from the shore. The site is shallow, with an average depth of 3 metres. Divers should be prepared for moderate currents and visibility ranging from 5 to 15 metres. Due to the nature of the site, hazards include boat traffic, low visibility, and strong currents. The site is suitable for intermediate divers, with typical dive times around 40 minutes. Night diving is permitted at this location. Parking facilities are available for visitors.

The International Train Bridge is a freshwater artificial reef located in the Niagara Peninsula. The site features a structure that descends from 4 to 25 metres, with an average depth of 8 metres. Divers can expect mild currents, making this suitable for an intermediate drift dive. Visibility typically ranges between 5 and 15 metres. Shore entry is available, and parking is provided on site. Due to active boat traffic overhead, the use of a surface marker buoy is required during ascent. Water temperatures fluctuate significantly throughout the year, ranging from 2 to 24 degrees Celsius, necessitating appropriate thermal protection.

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.

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.

The Train Bridge is a freshwater wreck and drift dive located in the Niagara Peninsula. This site is suitable for intermediate divers due to the strong currents present. Divers can expect an average depth of 3 metres, with visibility ranging between 5 and 15 metres. Entry is via the shore. The site features a wreck, and night diving is permitted. Facilities available at the location include parking, toilets, showers, a rinse station, and a cafe. Divers should be aware of potential hazards, including boat traffic, entanglement, and low visibility. Typical dive duration is approximately 40 minutes, with water temperatures fluctuating significantly throughout the year.