Jacob's Well is a perennial karstic spring serving as the entrance to an extensive underwater cave system. The site features a vertical well structure with depths ranging from 1 to 9 metres, averaging 5 metres. Access is via the shore, and the water temperature remains a constant 20°C year-round. Visibility typically spans 10 to 20 metres. Due to the presence of an overhead environment, deep sections, and moderate currents, this site is suited for intermediate divers. Snorkellers can explore the surface well, which provides a distinct vertical perspective of the spring opening. Facilities available at the site include parking, toilets, and guided tours.

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.

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.

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.

The Comal River offers a gentle, spring-fed drift dive suitable for beginners. Divers navigate depths between 1 and 5 metres, with an average of 2 metres, carried by a mild current. The riverbed features dense aquatic meadows of Cabomba, Vallisneria, and Ludwigia. Divers frequently encounter livebearers, snails, blue tilapia, small mouth bass, redbreast sunfish, and blue gill. Visibility is variable, ranging from 2 to 11 metres, and can decrease following heavy rain or high river traffic. Shore entry is standard for this 15-minute drift. Divers must exercise caution regarding buoyancy and entanglement risks when passing through thick vegetation.