Underwater Phantaseas

A 4.5-acre lake outside of Denver, CO with 44 feet of depth. Visibility ranges April - July 4 ft to 22 ft, July - Sept 4 ft to 15 ft. Average temp March = 50. April = 55. May = 66. June = 70. July - Sept 72. Oct = 64.2

With four different diving exhibits there is lots to see in this indoor underwater playground. Come get some certification dives done, dive with the family or have a chance to get up-close and personal with some endangered and protected species you may never get to see in the wild.

48,000 gallon pool includes “endless pool” and an underwater sound system. There is a lift for disabled divers and our fill station is right by the pool. The pool is 12 feet deep on the far end and ranges from 3.5 to 4.5 feet deep in the shallow end.

The Chatfield dive site has a soft, silt bottom, thus visibility is usually quite poor, typically less than 5 feet. Depth averages 20 ft with small areas ranging around 30’ ft. A sunken sailboat with trailer, a fire hydrant, and a toilet are all connected by a rope line for your amusement.

Ocean First’s indoor pool is kept at a balmy 89ºF and the ambient air temperature within about 10 degrees of that to ensure swimmers and divers are comfortable getting in and out of the water. The pool has both a 4’ shallow end and a large 12’ deep well.

This large reservoir is located southeast of Denver, Colorado. There is a specific scuba diving area open April 1 to October 1 every year, dawn to dusk, that offers shore accessible diving. Maximum depth is 50 feet and average visibility is 5-10 feet.