Although he never lived there before his death in 1986, the mansion and his living quarters are still maintained in anticipation of his predicted reincarnation. It is also the location of a $10 million mansion built for Scientology founder L. Senior church officials, and up to 1,000 of the church's elite Sea Org live and work on the base the church's leader, David Miscavige, also lived there until reportedly relocating to Clearwater, Florida, in the late 2010s. Gold Base houses numerous Scientology organizations and subsidiaries, including its in-house media production division, Golden Era Productions, which has its own movie studio on the site. Secretly bought for cash in 1978 by Scientology using the alias of the 'Scottish Highland Quietude Club', it has since been developed and expanded considerably. However, the resort went bankrupt in the late 1970s due to changes in American vacation habits. The property had previously been a popular Inland Empire spa resort called Gilman Hot Springs, which was established in the 1890s.

The property is bisected by a public road, which is closely monitored by Scientology with cameras recording passing traffic. The heavily guarded compound comprises about fifty buildings surrounded by high fences topped with blades and watched around the clock by security personnel, cameras and motion detectors.

Gold Base (also variously known as Gold, Golden Era Productions, Int Base or Int) is the de facto international headquarters of the Church of Scientology, located north of San Jacinto, California, United States, about 85 miles (137 km) from Los Angeles.

Soboba hotel and casino