Summer begins early for Long Island's two seasonal theater companies - Bay Street and Gateway Playhouse.

Bay Street Theatre in Sag Harbor dedicates a new 99-seat second stage, the Annie & Eli - in honor of Anne Jackson and Eli Wallach - with a gala celebration May 1, featuring appearances and video tributes by Lauren Bacall, Zoe Caldwell, Barbara Cook, Harvey Keitel and other stars. The thespian couple are longtime East End residents.

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Gateway Playhouse opens its season in Bellport May 19 with "Happy Days," a new musical making its Long Island premiere. Based, of course, on the TV series starring Ron Howard and Henry "The Fonz" Winkler, it runs through June 12.

After a May 29 concert by Tony-winning star Sutton Foster, Bay Street's main stage season opens June 1-27 with the New York premiere of Damian Lanigan's "Dissonance." Tickets are available at or