In Suffolk County, there are seven town supervisor races at stake.
They are in Babylon, Brookhaven, East Hampton, Huntington, Riverhead, Shelter Island and Smithtown.
In Nassau, supervisor spots are up for grabs in Hempstead, North Hempstead, and Oyster Bay.
Glen Cove residents will decide on a mayor.
The county-wide races are for county executive, district attorney, comptroller, and county clerk.
In Suffolk County, residents are voting for district attorney, treasurer and sheriff.
All the seats in both county legislatures are on the line as well as one Assembly seat in Suffolk.