Blue Hole Regional Park in Lake Travis offers a freshwater diving experience within a spring-fed environment. The site features underwater cypress root systems and a depth range of 1 to 18 metres, with an average depth of 7 metres. Divers can expect mild currents and visibility typically between 10 and 20 metres. The water temperature remains consistent between 20 and 24 degrees Celsius throughout the year. Access is via a shore entry, making it suitable for beginners. Facilities available at the park include parking, toilets, and changing rooms. Due to the nature of the site, divers should be aware of deep areas.

Canyon Lake is a freshwater site featuring an artificial reef and wall topography. Suitable for beginners, the site offers depths ranging from 2 to 11 metres with visibility typically between 6 and 9 metres. Divers should be prepared for a thermocline between 8 and 10 metres during summer months. Shore entry is straightforward, though divers must remain vigilant regarding overhead boat traffic and potential entanglement in vegetation. The site provides convenient facilities including parking, toilets, showers, a rinse station, and on-site air fills. With mild currents and a typical dive duration of 45 minutes, it serves as a practical location for skill practice.

North Park in Lake Travis offers a freshwater diving experience featuring a wall, muck terrain, and artificial reef structures. The site is suitable for beginners, with depths ranging from 1 to 11 metres. Divers can navigate between three training platforms connected by underwater lines. Entry is via a shore walk that is steep and rocky, requiring sturdy footwear. Visibility is consistently 5 metres, and currents are mild. The site provides facilities including parking, toilets, showers, changing rooms, air fills, and guided tours. The habitat supports various temperate freshwater fish and aquatic vegetation. Hazards include potential entanglement and low visibility.

Overlook Park is a freshwater shore-entry site in Lake Travis featuring a drop-off that descends from 3 to 24 metres. With an average depth of 13 metres and mild currents, the site is suitable for beginner divers. Visibility typically ranges between 3 and 9 metres. Divers should be aware of thermal stratification during summer months, with a distinct thermocline occurring between 8 and 10 metres. Submerged vegetation is present in shallower sections, presenting a potential entanglement hazard. Divers are advised to streamline their equipment to avoid snagging on weeds. On-site facilities include parking and showers for post-dive convenience.

Skyline is an artificial reef site located in Lake Travis, offering a shore-entry experience suitable for beginner divers. The site features a structure spanning depths of 1 to 15 metres, with an average depth of 8 metres. Conditions are generally calm with no current, providing a relaxed environment for buoyancy practice. Visibility typically ranges between 3 and 6 metres, and the use of a dive torch is recommended to observe life within the reef structure. Species recorded around this area include longnose gar, blue tilapia, small mouth bass, common carp, channel catfish, and various sunfish species.

Aquarena Springs in Lake Travis offers a freshwater diving experience featuring artificial reefs, natural reef structures, and seagrass beds. The site is suitable for beginners, with depths ranging from 2 to 9 metres. Divers access the water via a shore entry. Conditions include a constant water temperature of 22°C year-round and visibility ranging from 10 to 100 metres. While currents are generally mild, divers should be aware of the potential for strong currents and entanglement hazards. Facilities at the location include parking, toilets, a dive shop, and guided tours. All divers must complete the Spring Lake Dive Authorization course prior to diving.

Sewell Park in Lake Travis offers a freshwater snorkeling experience at the headwaters of the San Marcos Springs. The site features a shallow average depth of two metres, ranging between one and three metres, making it accessible for beginners. Snorkellers enter directly from the shore to explore the river environment. Conditions at this site vary, with visibility typically ranging from five to ten metres. Divers and snorkellers should be aware of potential hazards, including strong currents, boat traffic, and the risk of entanglement. Facilities available at the park include toilets, parking, equipment rental, and guided tours.

Hamilton Pool Preserve is a natural grotto formed by a collapsed underground river, featuring a 15-metre waterfall. Snorkellers can explore the limestone formations beneath the surface in depths ranging from 1 to 7 metres. Access is via a shore entry, and the site is suitable for beginners. The water is located 402 metres from the shore. Visitors should be aware that water temperatures can be very cold, particularly in winter when they may drop into the 40s Fahrenheit. Typical visits last around 120 minutes. Parking facilities are available at the preserve.