Mountain Camp Marin is a dynamic, tech-free summer day camp located at Mark Day School in San Rafael. Designed for kids K-8, it offers a unique blend of outdoor adventures, choice-based activities, and strong camper support with a 3:1 camper-to-staff ratio. From swimming and archery to arts & crafts and leadership opportunities, each camper has the chance to grow, make lasting friendships, and have fun in a safe, supportive environment.