I was on Kos last year at the end of August. Marmari Beach hotel on the west. Wind was not so strong, two days for 16 sqm and 1 day 12 sqm / a week. I weigh 78 kg. Sand beach crowdy enough, not so much place to launch, 5-6 kiters and a lot of surfers. Small surfstation, you can store 1 kite and boar...