Israeli Go Association
Israeli Go Championships: Please refer to IsraeliGoChampionship or http://israel.european-go.org for info. Also, sometimes another tournament is being held at a long holiday such as Passover. Information can always be found on the homepage above or in the hebrew room in KGS.
There are clubs in:
ZeroWave: Currently contacting the Jerusalem & Tel Aviv "manager" (Ahsayuni, 5d in KGS) for info on the clubs. EZ: in order to join the club in Ashkelon contact email@example.com