Through 12/1, Gymboree.com is offering free shipping on all orders. No coupon required. Plus, everything is marked 50% off throughout the site.
There are usually 20% off coupon codes found in Parents magazine. Or if you spend $100 or more, you can use code MOMMYSHORTS for $25 off.
Remember to go through Ebates HERE for 1% cash back. Every little bit helps!