Deer Park, sometimes mentioned as Deerpark, station was previously located at the bridge over New York State Route 231, until it was moved as part of a major reconstruction project of the line at Ronkonkoma, Central Islip, Brentwood, Deer Park, and Wyandanch.
Deer Park station, occasionally mentioned as Deerpark, was previously situated at the bridge spanning New York State Route 231. It was relocated during a major reconstruction effort that impacted the Ronkonkoma, Central Islip, Brentwood, Deer Park, and Wyandanch section of the line.