The Bay Theatre: Showcasing New Hits and Old Classics SEAL BEACH - Since 1947, the Bay Theatre has stood near the corner of Pacific Coast Highway and Main Street in Seal Beach. Over the years it has been home to Mainstream Films, Surfing Films, and Concert Performances. Today we offer Independent and Foreign Films, plus special weekly screenings of Classic Films. Spend a day in Seal Beach enjoying the fine shops and restaurants, then come on down and visit us at the historic Bay Theatre! It's like a trip back in time! For recorded information, please call (562) 431-9988. Our address is: Bay Theatre 340 Main Street Seal Beach, CA 90740