Interlaken is a small, quiet residential community of homes ranging from Victorian-era cottages to present day architectural styles and everything in-between. Located in Monmouth County, Interlaken is a vibrant and diverse community surrounded by the Deal Lake and situated close to the Atlantic Ocean. The Arbor Day Foundation has awarded Interlaken the Tree City USA designation for 30 years underscoring the importance of our beautiful tree canopy to our residents. Students attend school in West Long Branch.