The Town of Babylon is one of ten towns in Suffolk County, New York, United States. Its population was 214,191 as of the 2010 census. Parts of Jones Beach Island, Captree Island and Fire Island are in the southernmost part of the town. It borders Nassau County to the west and the Atlantic Ocean to the south. At its westernmost point, it is about 20 miles (32 km) from New York City at the Queens border, and about 30 miles (48 km) from Manhattan. The village of Babylon is also within the town.

The Town of Brookhaven is the most populous of the ten towns of Suffolk County, New York, United States. Part of the New York metropolitan area, it is located approximately 50 miles from Manhattan. It is the only town in the county that stretches from the North Shore to the South Shore of Long Island. It is the largest of New York State's 932 towns by area, and the second most populous after the Town of Hempstead.

The Town of East Hampton is located in southeastern Suffolk County, New York, at the eastern end of the South Shore of Long Island. It is the easternmost town in the state of New York. At the time of the United States 2010 Census, it had a total population of 21,457.

The Town of Hempstead is one of the three towns in Nassau County, New York, United States, occupying the southwestern part of the county, in the western half of Long Island. Twenty-two incorporated villages are completely or partially within the town. The town's combined population was 759,757 at the 2010 census, which is the majority of the population of the county and by far the largest of any town in New York.
The Town of Huntington is one of ten towns in Suffolk County, New York, United States. Founded in 1653, it is located on the north shore of Long Island in northwestern Suffolk County, with Long Island Sound to its north and Nassau County adjacent to the west. Huntington is part of the New York metropolitan area. As of the United States 2010 Census, the town population was 203,264.

Islip is one of ten towns in Suffolk County, New York (USA). Located on the South Shore of Long Island, the town population was 335,543 at the 2010 census. Within the Town of Islip is a smaller, unincorporated hamlet and census-designated place also named Islip.

The Town of North Hempstead is one of three towns in Nassau County, New York, United States. As of the 2010 census, the town population was 226,322.

The Town of Oyster Bay is the easternmost of the three towns which make up Nassau County, New York, in the United States. Part of the New York metropolitan area, it is the only town in Nassau County to extend from the North Shore to the South Shore of Long Island. As of the 2010 census, it had a population of 293,214.

Riverhead is a town within Suffolk County, New York, on the north shore of Long Island. Since 1727, Riverhead has been the county seat of Suffolk County, though most county offices are in Hauppauge. As of the 2010 census, the population was 33,506. The town rests on the mouth of the Peconic River, from which it derives its name. The smaller hamlet of Riverhead lies within it, and is the town's principal economic center. The town is 166 miles (267 km) southwest of Boston via the Orient Point-New London Ferry, and is 76 miles (123 km) northeast of New York City.

Shelter Island is a town and island at the eastern end of Long Island in the U.S. state of New York. It is part of Suffolk County, although it is separated from the rest of the county by water. The population was 2,392 at the 2010 census.

Smithtown is a town in Suffolk County, New York, United States, on the North Shore of Long Island. This town is an eastern suburb of New York City. The population was 117,801 at the 2010 Census.

Southampton, officially the Town of Southampton, is a town in southeastern Suffolk County, New York, partly on the South Fork of Long Island. As of the 2010 United States Census, the town had a population of 56,790. Southampton is included in the stretch of shoreline prominently known as The Hamptons.

The Town of Southold is one of ten towns in Suffolk County, New York, United States. It is located in the northeastern tip of the county, on the North Fork of Long Island. The population was 21,968 at the 2010 census. The town also contains a hamlet named Southold, which was settled in 1640.