What is the Planet Tan difference? There truly is a Planet Tan difference and they’re proud of it! Planet Tan is committed to providing their customers with affordable luxury tanning in State of the Art equipment. As the largest Bay Area chain of professional tanning salons, your membership at Planet Tan can be used at any of their convenient locations. Recognizing that everyone is busy and time is valuable, each of Planet Tan’s locations are large with plenty of choices of equipment so appointments are never necessary.