The Bay Area's Treasure Island music festival has announced the 2013 lineup. The festival, which takes place on its namesake island between SF & Oakland, will go down from October 19-20 this fall. This year's two day line-up will include Atoms for Peace, Beck, Animal Collective, James Blake, Phantogram, Tricky, Lord Huron, Deep Sea Diver and more. Full poster below and line-up right here. Tickets go on-sale tomorrow morning at 10AM PST for $130. They'll increase to $140 & $150 when the next rounds sell out.