The Pleasure Mountain Adult Retreat was really the gay and lesbian couple vacation spot the Rainbow Mountain Resort in Eastern Pennsylvania.
Tina Krause was a replacement for another actress who was originally cast as Alicia, but didn't work out due to the agency that represented her.
The bulk of this movie was shot in five days straight, with three subsequent days for pick-up shots.
The lair for Felix Gallo was a set that was built in an old slaughterhouse.