The conditions for wind surfing are excellent. Sailing in Alonissos is also very interesting. You can sail to the nearby deserted islands of Kyra Panagia, Gioura, Psathoura and Skantzoura as well as take a trip around the island of Alonissos.

More information on yacht charters and sailing vacations in Alonissos and the Northern Sporades: http://www.sailingissues.com/greekislands/northern-sporades.html