J.Crew offers its J.Crew Women's Hayley Dress in four colors (Caribbean Sand pictured) for $89.99. Coupon code "SUMMERSALE" cuts it to $22.50. With $5 for shipping, that's $228 off list and the lowest total price we could find. It's available in most sizes from 00 to 16, although not in all size/color combinations. Deal ends July 27.