Perch Lake is a freshwater site within the Santa Rosa Sinkholes featuring two distinct wrecks: a penetrable twin-engine Cessna and a Volkswagen Jetta. Divers and snorkellers can access the site from the shore. Conditions are generally intermediate, with depths averaging 4 metres and visibility ranging from 2 to 8 metres. Water temperatures are cold, measuring between 4 and 8 degrees Celsius in early April. Due to the presence of fishing activity, divers should be aware of potential entanglement hazards from discarded fishing line. The site is supported by local facilities including air fills, showers, and guided tours.

Blue Hole is a spring-fed freshwater site located in the Santa Rosa Sinkholes. The site features a rock-walled perimeter that provides a defined area for snorkeling. Depths at this location range from 1 to 10 metres, with an average depth of 5 metres. Visibility typically varies between 5 and 15 metres. Access is via the shore, and the site includes facilities such as parking, toilets, showers, and changing rooms. A floating inflatable obstacle course is present on the water surface. The site is suitable for beginners and offers a typical session duration of 120 minutes.

Santa Rosa Blue Hole is a bell-shaped freshwater sinkhole offering shore access for divers and snorkellers. The site features depths ranging from 11 to 24 metres, with an average depth of 11 metres. Visibility varies between 5 and 30 metres. Water temperatures remain constant between 16 and 18 degrees Celsius, necessitating a 5-7mm wetsuit or drysuit. The site includes an overhead environment and deep sections, requiring appropriate training. Facilities on-site include parking, toilets, showers, changing rooms, air fills, a dive shop, and guided tours. Night diving is permitted. The site is suitable for beginners, though divers should be prepared for cold water conditions.

Rock Lake is a deep, private artesian sinkhole located within the Santa Rosa Sinkholes. This site is characterised by its rugged geological features and extreme depth, which reaches up to 91 metres. Due to the significant depth, this location is suitable only for advanced divers, who must remain vigilant regarding the risks of nitrogen narcosis. Entry is via the shore. Visibility at the site typically ranges between 6 and 9 metres. As a deep freshwater environment, it offers a challenging experience for those qualified to manage the technical requirements of such a site.

Santa Rosa Lake State Park Swimming Beach is a freshwater reservoir site offering shore access for divers and snorkellers. The area features sandy entries and provides a vast space for underwater exploration. Depths at this location range from 1 to 12 metres, with an average depth of 4 metres. Conditions are generally suitable for beginners, though visibility can vary depending on local weather and water levels. The site is equipped with parking, toilets, and showers to support visitors. A typical dive session lasts approximately 30 minutes, and the area experiences mild currents.

Rocky Point is a freshwater snorkel site situated within the Santa Rosa Sinkholes on the Pecos River. This location features a reservoir environment with depths ranging from 1 to 12 metres. Snorkellers access the water via the shore, where the shoreline is relatively stable compared to other parts of the reservoir. Conditions at this site vary, with visibility often influenced by recent rainfall and local silt levels. The site is subject to mild currents and is best suited for intermediate-level snorkellers. Due to the variable nature of the water conditions, it is recommended to assess the environment before entering.