Jetsetter

Where to find it: http://www.jetsetter.com
What you can find there: Rooms at Capella Telluride resort in Telluride, Colo.
Normal retail price: $220/night
Private-sale price: $125/night

Extending its members-only sales beyond the fashion world, the Gilt Groupe launched Jetsetter earlier this year. The site posts limited-time offers for luxurious resorts and yacht cruises at marked-down prices, and works with hospitality brands like Taj Hotels, Yachts of Seabourn, and Orient Express.