Every great city has to have one decent bead store. This is the one for Rochester , located in the Northfield Commons in Pittsford, NY(a suburb of Rochester).
If you are looking for large, small, glass, seed, delica beads you can find them at Beads N Things.
They offer a wide variety of beads and supplies. Also a large selection of books and kits are offered as well. They are very helpful to the beginner or to the experienced beader.