FamilyGeteway.com offers reduced-prices travel packages for families.

Responding to frequent request for family trips, LuxuryLink.com, the Online auction travel company has launched a new Web site, FamilyGateway.com, geared towards family travelers.
Just like with LuxuryLink.com, travelers with families can bid on reduced priced travel packages that put the focus on families. To meet that market segment needs, packages usually include activities such as kids's clubs, suite accommodations, cultural excursions etc.
According to the Wall Street Journal, packages are discounted up to 65% and "users can buy them in an auction or at fixed prices."

For more, see WSJ.com