Long Island University at Riverhead offers master's degree programs in Homeland Security Management, Teaching Students with Disabilities, Advanced Certificate in Applied Behavior Analysis, Literacy Education and Certification in Childhood Education 1 - 6 within easy reach of eastern Suffolk County and Long Island's North and South Forks.

Situated on the grounds of the Eastern Campus of Suffolk County Community College (off County Road 51 Riverhead-Moriches Road), the Riverhead location offers ample parking and the use of such SCCC facilities as the cafeteria, bookstore and library. Classes are held in the Long Island University Building.

Master's programs offered at the Riverhead location are designed for working adults as well as traditional students, with evening and weekend courses available for students who need to balance work and family responsibilities with education.