http://www.cnn.com/2009/TRAVEL/getaways/06/15/caribbean.resorts.kids/index.html

…

That includes Costa Rica, only three to four hours from most major airports in the eastern United States. Plus airfares are at historic lows ($350 to $550 this year) with so much new vacation inventory that a family can rent a 2,000-square-foot, three-bedroom condominium with washer, dryer and fully equipped kitchen in a major resort for under $300 per night.