USA Pickleball Association (USAPA)
Official site. News, about USAPA, what pickleball is, tournaments, calendar, memberships, official rules, places to play, message board, courts, ranking and online shop.
http://www.usapa.org/

Intramural Pickleball Rules
Intramural Pickleball Rules for Cornell College
http://cornellcollege.edu/intramural/Pickleball.htm

Fort Hays State University
Scan a primer on the game with a guide provided by this Kansas university. Find out how it's scored, the court's dimension, and get general tips.
http://www.fhsu.edu/hhp/intramurals/activities/pickleball.shtml

Pickleball Central
A comprehensive resource site about Pickleball with tournament listings, court locations, t-shirts and equipment.
http://www.pickleballcentral.com

AZ Pickleball Fun
Instructional site with emphasis on strategy and drills.
http://www.azpickleballfun.com/

Pickleball Links and Resources
A comprehensive list of pickleball resources including, books, equipment suppliers, playing tips, and local clubs.
http://pickleball-links.blogspot.com/

The Art of Pickleball
Features a book about pickleball strategies and tactics by Gale H. Leach. Includes playing tips and excerpts from the book.
http://www.galeleach.com/artofpickleball.htm

Pickleball Success
Playing tips and information about a book by Mary Littlewood and Sandra Stultz, Drilling for Success in Pickleball.
http://pickleballsuccess.com/

The Pickleball Store
Retailer of paddles, balls, and accessories.
http://www.thepickleballstore.com/

Pickleball Stuff
Retailer of paddles, balls, and accessories. Information, news, and playing tips.
http://www.pickleballstuff.com/

Pro-Lite Sports
Paddle manufacturer. Sells paddles, balls, accessories, and a book by Mark Friedenberg, The Official Pickleball Handbook. Includes playing tips.
http://www.pro-litesports.com/

S-Type Sports
Paddle manufacturer. Sells paddles, balls, and accessories.
http://www.stypesports.com/

Spike's Pickleball Paddles
Paddle manufacturer and seller.
http://www.spike-002.com/

MoPickleball
Strategy and tips on playing pickleball by Richard Movsessian.
http://www.freewebs.com/mopickleball/strategyguide.htm

USAPATraining Room
Includes strategy, drills, playing tips, and videos.
http://training.usapa.org/