National Yo-Yo Museum
- Features displays, photographs, events, history, and contests. Directions and hours included. Located in Chico, California.
- http://www.nationalyoyo.org/

YoYoinfo
- Includes a glossary, FAQs, and Who's Who. Also features world and national champions information.
- http://member.newsguy.com/~jparrish/slowyosites/index.htm

The Next Level
- Includes videos of tricks, maintenance tips, mods, and links.
- http://www.yoyoing.com/tnl/

R.P.M the Yo-Yo Center
- Includes message board, chat room, directory of clubs organized by location, and a directory of links.
- http://www.yoyoing.com/

Dave's Wonderful World of Yo-Yos
- Includes message board, auctions, images by Ron Caswell, museum of collectibles, memorabilia, and patents [PDF], history, image downloads, and links.
- http://www.nmia.com/~whistler/

Yomania.com
- A selection of tricks, reviews, and tips with a message board.
- http://www.yomania.com/