- Atwater, City of
Government, services, schools and associatons.
- Castle Air Museum
Features rare warbirds from WWII, Korea, Vietnam, and Cold War eras.
- Riverside Motorsports Park
1200 acre, motorsports-themed family recreation and entertainment center in development in Merced County, California.
- Castle Challenger Learning Center
Space-oriented center providing math, science, and technological education for students.
- Merced Union High School District
- Atwater Elementary School District