Humphreys Concerts by the Bay is located between Humphreys Restaurant and Humphreys Half Moon Inn. The 1,400 seat outdoor theatre, ideally situated on San Diego Bay, has been presenting a wide variety of major attractions since 1982. Generally running from April through October, Humphreys Concerts covers the total spectrum of entertainment from rock and jazz to comedy, blues, folk and international music. Directions Interstate 5 (South) to Rosecrans exit. Follow Rosecrans (heading West) to Shelter Island Drive (about 5 miles). Left on Shelter Island Drive. Humphreys Half Moon Inn is on the right side. Park in lot between Humphreys Half Moon Inn and Humphreys Restaurant.