Mirar estas página:
http://www.surfscience.com/topics/gear-and-equipment/surf-training-products/best-balance-trainers-for-surfers/
http://www.toptensurftrips.com/2011/10/best-balance-boards/
http://www.skatelog.com/balance-boards/manufacturers.htm
http://www.fit2surf.com/surf-fitness/surf-fitness-programmes/balance-training-for-surfers/
http://skateboard.about.com/cs/fringeboarding/gr/IndoMiniKicktai.htm
http://www.pipeboard.com/ http://www.pipeboard.com/about/
http://indoboard.com/wp/tag/skateboarding-tips/
http://www.fitter1.com/Catalog/Items/BRCK.aspx
Indoboard – Balance Trainer
http://indoboard.com
http://www.indoboardspain.com
GoofBoard – Balance board for surfers
http://www.goofboard.com
http://www.thesurfingblog.com/goofboard-balance-trainer
Airflow – Balance Master
http://www.airflow-skateboards.com/airflow09/index.php?s=98&m3=1&m6=1&pos=0&pos1=1&ln=1
Otros: http://surfball.net http://nohosurf.com/