Gnome Boat is a freshwater artificial reef located in Lake Travis, featuring a submerged vessel and wall topography. Reaching depths of up to 17 metres, the site is suitable for beginner divers. Access is strictly by boat, and the area experiences mild currents. Divers should be prepared for variable visibility and potential thermoclines, which can affect clarity during descent. The site provides a structured environment for freshwater training. While the habitat supports various temperate freshwater fish and aquatic vegetation, divers should monitor their depth gauges closely as conditions can shift rapidly throughout the dive.

Stillhouse Park is a freshwater artificial reef site in Lake Travis. The site offers depths ranging from the surface to 10 metres, making it suitable for beginner divers and snorkellers. Entry is via the shore, and the site experiences mild currents. Visibility is variable, typically ranging between 1 and 5 metres, which requires careful navigation and monitoring of depth. Divers should remain aware of boat traffic, cold water temperatures, and potential entanglement risks associated with the artificial structures. On-site facilities include a dive shop, parking, showers, boat charters, and air fills to support your visit.

Stillhouse Hollow Lake is a freshwater shore-entry site in Central Texas reaching depths of 9 metres. It is suitable for intermediate divers seeking experience in inland conditions. Divers should be prepared for variable visibility and the presence of thermoclines, which create distinct temperature shifts during descent. A mild current is typically present, though divers must remain vigilant regarding entanglement risks from submerged obstacles. The site offers an opportunity to observe the natural lake habitat, which supports various temperate freshwater fish and aquatic vegetation. Always check local visibility conditions before planning a dive, as water clarity can change significantly.

Stillhouse Graveyard is a freshwater artificial reef and wreck site located in Lake Travis. Divers can access the site from the shore or by boat, with a buoy available for boat tie-ups. The site features a platform with navigation lines extending north, south, and west toward a deeper platform. Underwater structures include a sailboat and various other items. Depths range from the surface to 15 metres, with an average depth of 9 metres. Conditions include mild currents and visibility ranging from 0 to 7 metres. Due to the potential for low visibility and active boat traffic, this site is best suited for intermediate divers.

Stillhouse Hollow Reservoir provides advanced freshwater diving focused on submerged artificial reef structures and wreck features. Divers can expect depths ranging from 3 to 13 metres, with an average depth of 8 metres. Visibility at the site typically fluctuates between 6 and 12 metres, with mild currents present. Entry is via the shore, making it accessible without boat logistics. The site is well-equipped with parking, toilets, showers, changing rooms, and a rinse station. Divers should plan their bottom time to address deeper structural features first. The environment supports various temperate freshwater fish and aquatic vegetation typical of the region.

Stillhouse Hollow Reservoir is a freshwater artificial reef site in the United States, offering depths reaching 23 metres. The site requires boat access and features mild currents, though visibility is variable, typically ranging between 2 and 8 metres. Divers should exercise caution regarding entanglement risks when navigating the submerged artificial structures and be mindful of sharp edges. Thermoclines may be present during summer months. The site is suited for intermediate divers who possess solid buoyancy control. Local facilities include a dive shop providing air fills and guided tours to assist in locating the reef structures. The habitat supports various temperate freshwater fish and aquatic vegetation.