Steamboat Cove is a protected freshwater site featuring an artificial reef structure. The underwater topography consists of submerged trees and rocky ledges, providing a varied environment for snorkelers. Depths at this location typically range from 2 to 8 metres, with an average depth of 6 metres. Access to the site is by boat only, as it is located approximately 1609 metres from the shore. The cove offers calm water conditions, making it suitable for beginners. Divers and snorkelers should be aware of potential entanglement hazards due to the presence of submerged trees. On-site facilities include toilets.

Site 5 is an artificial reef located in the United States. This freshwater site is shallow, with depths typically around 3 to 4 metres. Divers should be aware of potential entanglement hazards due to the nature of the artificial structures present. The site is suitable for those seeking shallow, controlled conditions. While specific sightings are not confirmed, the habitat supports various temperate freshwater fish and invertebrates typical of the region. Facilities available at the site include parking, air fills, and guided tours.