Online Bento Shopping Guide
All the stores were added to this list at the request of at least one member of the community in order to avoid referring people to bad sellers/stores. If anyone has a bad experience, please let me know and we can remove them from the list or start a list of stores to avoid.

eBay stores & sellers:
Canada:
Southampton Creations - bento boxes and accessories

Japan:
Store In Japan - bento boxes and accessories
Nagomi, Inc - bento boxes
Tokyo Gift – bento box sets
Seller bamboo70 – bento box sets
Jbox/Jlist on eBay - bento boxes and accessories (some items are shipped from USA)
Japan Souvenir - traditional and thermal bento boxes - BUYER BEWARE: click here, here and here for details.
Bento Yum Store - Sells complete matching bento sets. Prices range from about $22-$30, shipping included.

USA:
The Bento Store – bento boxes, accessories and cookbooks
Bento Obento Shop - bento boxes, accessories and tools
Kitticorner - bento boxes
hellokittie76 - bento box sets


Stores:
Japan:
Jbox – bento boxes and accessories

USA:
Asian Utensils - accessories and cookbooks
Amazon - thermal lunch jars, laquer bento boxes and cookbooks
Utsuwa no Yakata - mostly pottery and tableware, traditional laquer bento boxes
Resuable Bags - laptop lunch kits, other lunch containers that are good for bento, and To-Go Ware bamboo utensils
Snapware - larger bento-style boxes and plain, undecorated boxes
Laptop Lunches - plastic laptop lunch boxes and accessories
Sugarcharms - bento boxes and accessories.


Many local asian food markets have the same items available as well; please see the geographic shopping guide.