Del Mar Fair 2025 Theme. Del mar del mar — with the 2024 san diego county fair approaching this year with a “let’s go retro” theme, the del mar fairgrounds board of directors voted april 9. Del mar — a month after the conclusion of the 2022 san diego county fair, officials have already set the theme and dates for next year’s event, inspired by the region’s.
With the 2024 san diego county fair approaching with a “let’s go retro” theme, the del mar fairgrounds board has approved the themes for the following two years. An aerial view of the 2024 san diego county fair at the del mar fairgrounds.