We have Mongoose All Terrain Boards (ATB's) suitable for land, beach, grass, sand... windsports with sail or kite:
http://www.surfingsports.com/mongoose.asp We also have Gravity Longboard SK8 boards:http://www.surfingsports.com/Gravity.asp Both of these brands have boards, easily converted for sk8sailing. If you want to combine them with a kite, the 3.0m2 Airush trainer is the best deal going for a kite big enough to pull you on sand, snow, or whatever:
http://www.surfingsports.com/airush1.asp?category=kite
Check out these 11 high quality sk8sailing pics shot by our staff photog on Oahu, Brian Kim, showing some cool moves:
http://surfingsports.com/brian_kim/sk8sail0.jpg http://surfingsports.com/brian_kim/sk8sail1.jpg
http://surfingsports.com/brian_kim/sk8sail2.jpg http://surfingsports.com/brian_kim/sk8sail3.jpg
http://surfingsports.com/brian_kim/sk8sail4.jpg http://surfingsports.com/brian_kim/sk8sail5.jpg
http://surfingsports.com/brian_kim/sk8sail6.jpg http://surfingsports.com/brian_kim/sk8sail7.jpg
http://surfingsports.com/brian_kim/sk8sail8.jpg http://surfingsports.com/brian_kim/sk8sail9.jpg
http://surfingsports.com/brian_kim/sk8sail10.jpg
WARDOG