is a census-designated place and unincorporated area in Aberdeen Township, in Monmouth County, New Jersey and Old Bridge Township in Middlesex County, New Jersey.
Cliffwood Beach, and part of Cliffwood, are located north of Route 35 and bounded by Keyport on the east, and Laurence Harbor on the west. The counties are separated by Whale Creek, which is spanned near the bayfront by a concrete bridge called the Whale Creek Bridge.
The Monmouth County side of Cliffwood Beach is home to Cliffwood Elementary School, one of seven schools in the Matawan-Aberdeen Regional School District. Those students who reside in the Monmouth County side of Cliffwood Beach attend Lloyd Road Pre-Middle School (Grades 4-5), then Matawan Aberdeen Middle School, and finally Matawan Regional High School.
Alternatively, students on the Middlesex County side of Cliffwood Beach attend Leroy Gordon Cooper Elementary School (Grades K-5), one of the Old Bridge Township Public Schools. Students who graduate from Cooper School go on to attend Carl Sandburg Middle School in Old Bridge Township, followed by Old Bridge High School.