•
Benson Corners – A location in the southwest part of the town. •
Carey Corners – A location northeast of Fitts Corners. •
Fitts Corners – A
hamlet near the south town line. •
Groton – The Village of Groton at NY-38 and NY-222. •
Groton City – a partial ghost town in the northeast part of Groton on County Road 103. It has about 10-20 residents and was formerly known as "Slab City." •
Grotto – A hamlet in the southeast part of the town. •
Harts Corners – A location on the south town line, south of Fitts Corners. •
Lafayette Corners – A hamlet east of Groton village on NY-222. •
Ludlow Corners – A location in the southwest part of Groton. •
McLean – A hamlet in the southeast part of the town. •
Morton Corners – A hamlet northeast of Groton village. •
Mosher Corners – A hamlet west of Groton village on NY-222. •
Mud Schoolhouse Corners – A location in the southeast part of Groton on County Road 180. •
Nubia – A hamlet south of Lafayette Corners. •
Peruton – A hamlet at the south town line. •
Peruville – A hamlet near the south town line. Mayor Jacob K Becker currently residing. •
Pierson Corners – A location east of West Groton. •
Pleasant Valley – A hamlet in the southwest part of Groton. •
Stevens Corners – A location north of McLean. •
West Groton – A hamlet in the northwest corner of Groton. ==Notable people==