somewhere in eastern ct is a shop that is the mother shop for the $1.99 Fabric Store in Auburn. I don't know the name but you can search on "The $1.99 Fabric Store"
In Lincoln RI there is an interesting shop. Ryco
Then on up the road in Mass is Quilters Stash in Attleboro
Both these shops have large inventories.
I am not sure how far these places are from Foxwoods.