$50 Off Camp Fees at Marin Ranch, Summer 2016. Marin Ranch Camp is Marin County's premier overnight summer camp. Just 1 hour north of the Golden Gate Bridge, our fun and engaging overnight camp program is where kids ages 7 - 17 (Leadership-In-Training for 9th - 12th graders) can hike, swim, boat, explore and play. A place where children can be themselves while participating in traditional, good old-fashioned summer camp activities in an intentional community of caring people. Our camp is the perfect choice for Bay Area children wanting to attend a classic overnight summer camp, either for the first time or as seasoned campers! Marin Ranch Camp is part of the Camp Doodles family.