There are good San Francisco spas and there are better ones. International Orange has always kept a low profile as one of the better ones. Never compromising quality, and always delivering luxury, IO has launched an initiative to keep up with the Living Socials and Groupons of the city. But you have to be flexible and ready to relax. Ready?

IO is collecting a list of customers for their soon-to-launch Stand-By list. Last-minute day-of facial and massage appointments will be available to clients by phone only. Discounts are up to 35% off spa menu prices and deeper than IO's weekly spa specials. Only thing is you have to be available when you get summoned...

To get on the IO Stand-By list, complete an online form to select your preferred dates, times and treatment of choice. Based on those preferences, clients will be contacted by phone only and on their preferred days when there is a match based on availability. Just think of it as signing up for an impromptu slice of indulgence. Plus, you get to hang out in the relaxation lounge with yummy organic snacks or the private outdoor deck with bamboo garden.

International Orange, 2044 Fillmore Street, 2nd Floor, (415) 563-5000

Samantha Durbin (sami.7x7@gmail.com) is a lifestyle writer who honed her blogging skills as Editor of FabSugar.com. Samantha graduated from The Fashion Institute of Technology, and also writes for 7x7 Magazine and Gilt City.