Islip Terrace (formerly known as Germantown) is a hamlet and census-designated place (CDP) in the Town of Islip in Suffolk County, on the South Shore of Long Island, in New York, United States.

According to the United States Census Bureau, the CDP has a total area of 1.4 square miles (3.5 km2), all land.

13.2% of all households were made up of individuals, and 4.4% had someone living alone who was 65 years of age or older.

[6] Additionally, East Islip High School is located within the hamlet.

The public high school, which is the home of the Redmen athletic teams, serves approximately 2,000 students from grades 9–12.

[6] The school has achieved acclaim through a remarkably successful athletic program including football, bowling, baseball, softball and lacrosse.

Football (most notable for the 2007 championship season), baseball, softball and bowling all regularly hold a spot in top Long Island ranks, and the boys lacrosse program has achieved national recognition.