OPEN MARE ISLAND TOUR
Three more open mare island tour days for 2025:
June 8th | September 14th | November 9th
Walk through 142 years of Mare Island Naval Shipyard history. Join this free touring event as you follow a printed driving & walking guide through Mare Island, stopping at docent-staffed key sites located at:
St. Peter’s Chapel
Alden Park
Historic Core
Naval Cemetery @ the Preserve