We are a user-supported non-profit oganization.

We are working hard to keep our access to the Delta open, as well as fun and safe for windsurfing and kiteboarding. We provide and maintain several launches on Sherman Island to our RVWA-SIKO members.

Overnight camping is not authorized unless posted.

Please click Donate to the left, then the Donate button to become a RVWA-SIKO member or pay your yearly dues. "due" your part to help keep your favorite sport happening on the river!

Questions?    Contact us at: 


RVWA  Facebook ->

SIKO Facebook ->

Welcome to the Rio Vista Windsurfing Association (RVWA) &

The Sherman Island Kiteboarding Organization (SIKO) Website!

Please support our local businesses:

Delta Windsurf and JRVWindsurfing Lessons

Kitopia   and   Edge Kiteboarding  _______________________________________________________

Sheldon Kiteboarding -Sherman Island Kite Repairs 


Repairs on Kites, Sails, Boards, Foils

Riverside pickup and delivery when done.

Same day Repairs or overnight if major repair.

Current Events

SF Classic /Ultra Nectar Challenge July 20-21,2019  San Francisco

ABK windsurf Clinics- July 25 to 27, August 1 to 4 , August 22 to 25, 2019   www.abkboardsports.com

Berkeley Kite Festival July 28-29, 2019