Downtown Aquarium in the Denver Metro Reservoirs offers a unique freshwater diving experience within an artificial reef setting. The site features depths ranging from 3 to 9 metres, making it suitable for beginner divers and snorkellers. Access is via a shore entry, with visibility typically between 10 and 15 metres. Divers should be aware of the overhead environment and the presence of sharks within the facility. The site is well-supported by on-site facilities, including a dive shop, equipment rental, air fills, and a cafe. Guided tours are available for those looking to explore this controlled environment, with typical dives lasting approximately 30 minutes.

The Gravel Pits, often referred to as The Pit, is a former gravel quarry located at the southern end of the park. This freshwater site features artificial structures including a sunken sailboat, a toilet, and various training platforms linked by guide ropes. Divers can expect depths between 2 and 6 metres, with an average of 4 metres. Conditions include mild currents and visibility ranging from 5 to 9 metres. A thermocline is present at approximately 6 metres. Shore entry is standard, and the site is suitable for beginners. Hazards include boat traffic, cold water, entanglement risks, and low visibility. Facilities available on-site include parking, toilets, showers, and changing rooms.

King Fisher Ponds is a freshwater shore-entry site located in the Denver Metro Reservoirs. The site features a reef structure at depths ranging from 1 to 10 metres, making it suitable for beginner divers. Divers should be prepared for cold water temperatures and the presence of a thermocline during descent. Visibility typically ranges between 5 and 10 metres but can shift quickly, requiring careful navigation and close buddy contact. Hazards include potential entanglement risks near the reef structure and variable visibility. Parking is available on site, and the average dive duration is approximately 25 minutes.