Apartment For Rent In Marin County . The median marin county, ca rent is $3,699 which is above the national median rent of $1,469. Your perfect apartment for rent in marin county, ca is just a few clicks away on point2. The Marin by ARIUM Apartments, 3880 West Broward Boulevard, Plantation from www.rentcafe.com There are 2,089 available rental units listed on apartment list in marin county. The median marin county, ca rent is $3,699 which is above the national median rent of $1,469. Find your next marin county apartment.