Question: Cupsogue Beach County Park is a 296 acre park at the east end of Fire Island and the west end of Westhampton Island by  Moriches Inlet, an inlet connecting Moriches Bay and what ocean?

full_context: Document 1: Fire Island: Fire Island is the large center island of the outer barrier islands parallel to the south shore of Long Island, New York. In 2012, Hurricane Sandy once again divided Fire Island into two islands. Together, these two islands are approximately 31 mi long and vary between 160 and wide. Fire Island is part of Suffolk County. It lies within the towns of Babylon, Islip, and Brookhaven, containing two villages and a number of hamlets. All parts of the island not within village limits are part of the Fire Island census-designated place (CDP), which had a permanent population of 292 at the 2010 census, though that expands to thousands of residents and tourists during the summer months.
Document 2: Ponce de Leon Inlet: The Ponce de Leon Inlet is a natural opening in the barrier islands in central Florida that connects the north end of the Mosquito Lagoon and the south end of the Halifax River to the Atlantic Ocean. The inlet originally was named Mosquito Inlet. In 1926 the Florida Legislature changed the name from Mosquito Inlet to Ponce de Leon Inlet. There was precedent for the change. Mosquito County had long before become Orange County, and the Mosquito River had become the Halifax River. Only the Mosquito Lagoon has kept its old name. It is the site of the town of Ponce Inlet, Florida and the Ponce de Leon Inlet Light. The inlet is maintained by the Ponce de Leon Inlet & Port District, a Division of the Volusia County, Florida government.
Document 3: Moriches Inlet: Moriches Inlet ( ) is an inlet connecting Moriches Bay and the Atlantic Ocean. The name Moriches comes from Meritces, a Native American who owned land on Moriches Neck.
Document 4: Gulf of Morbihan: The Gulf of Morbihan is a natural harbour on the coast of the Département of Morbihan in the south of Brittany, France. This English name is taken from the French version: "le golfe du Morbihan". It is more accurately called 'the Morbihan' directly from its Breton name which is "Ar Mor Bihan", meaning 'the little sea' (Compare the Welsh "y môr bychan"), as opposed to the Atlantic Ocean outside, ("Ar Mor Bras"). Legend says that there are as many islands in the Gulf as there are days of the year. However, this is untrue and the gulf has about 40, depending on the tide. Many islands are private property, except the largest two, l'Île-aux-Moines and l'Île-d'Arz.
Document 5: Outer barrier: The outer barrier, also known as the Long Island and New York City barrier islands, refers to the string of barrier islands that divide the lagoons south of Long Island, New York from the Atlantic Ocean. These islands include Coney Island, Long Beach Barrier Island, Island Park, Jones Beach Island, Fire Island and Westhampton Island. The outer barrier extends 75 mi along the South Shore of Long Island, from Rockaway Beach on the New York City/Nassau County border from Long Beach Barrier Islands' western edge, to Suffolk County's east end of Shinnecock Bay.
Document 6: Otis Pike Fire Island High Dune Wilderness: The Otis Pike Fire Island High Dune Wilderness, also known as the Otis G. Pike Wilderness Area or the Fire Island Wilderness, is a federally protected wilderness area located on Fire Island, a barrier island off the south shore of Long Island, New York, United States. The 1380 acre wilderness is contained within the larger Fire Island National Seashore.
Document 7: Montsweag Bay: Montsweag Bay is a small brackish water bay near Wiscasset, Maine. It connects to Hockomock Bay, which connects with many more bays and eventually to the Atlantic Ocean. The peninsula known as Chewonki Neck juts out into the bay between Westport Island and the town of Woolwich and is the home of the Chewonki Foundation.
Document 8: Cupsogue Beach County Park: Cupsogue Beach County Park is a 296 acre park at the east end of Fire Island and the west end of Westhampton Island, known locally as Dune Road, one of Long Island's easternmost barrier islands. The park is surrounded by the Atlantic Ocean, Moriches Inlet and Moriches Bay.
Document 9: Captree State Park: Captree State Park is a 340 acre state park located in the towns of Babylon and Islip in Suffolk County, New York, United States. The park is located south of Captree Island on the easternmost end of Jones Beach Island, and overlooks the Fire Island Inlet and the westernmost section of Fire Island.
Document 10: Metoac: Metoac was a term erroneously used to describe Native Americans on Long Island in New York state, in the belief that various bands on the island comprised distinct tribes. The amateur anthropologist and U.S. Congressman Silas Wood published a book in the 19th century mistakenly claiming that several American Indian tribes were distinct to Long Island, New York. He collectively called them the Metoac. Scholars now understand that these historic peoples were part of two major cultural groups: the Lenape and the Wappinger-Wangunk-Quinnipiac peoples, both part of the Algonquian languages family.
Document 11: Montauk Point State Park: Montauk Point State Park is a 862 acre state park located in the hamlet of Montauk, at the eastern tip of Long Island in the Town of East Hampton, Suffolk County, New York. Montauk Point is the easternmost extremity of the South Fork of Long Island, and thus also of New York State.
Document 12: Barnegat Inlet: Barnegat Inlet is a small inlet connecting the Barnegat Bay with the Atlantic Ocean in Ocean County, New Jersey. It separates Island Beach State Park and the Barnegat Peninsula from Long Beach Island. The Barnegat Lighthouse sits at the northern end of Long Beach Island along the inlet.
Document 13: Little Egg Inlet: Little Egg Inlet is an inlet connecting the Atlantic Ocean and the Great Bay along the southeastern coast of New Jersey, United States. Little Egg Inlet forms a maritime border separating Little Egg Harbor Township in southern Ocean County and Galloway Township in northeastern Atlantic County. On March 3, 2017 the United States Coast Guard has temporarily closed the inlet due to serve shoaling and had removed six out of seven Navigation Buoys, they had reported that their ship couldn't reach the seventh buoy and had left it there. They have no plan date to put the Navigation Buoys back. The United States Coast Guard has reported to use the inlet "at your own risk"
Document 14: Davis Park, New York: Davis Park is a hamlet on Fire Island in the Town of Brookhaven in Suffolk County, in the U.S. state of New York, off the South Shore village of Patchogue, Long Island. It lies within the Fire Island National Seashore. Davis Park is commonly used to refer to the business and public part of the community on both sides of Trustees' Walk, in contrast to the sections known as Leja Beach (to the west of Trustees Walk bounding Center Walk to the North and South) and Ocean Ridge (to the east). However, Davis Park is also used to refer to all three areas together, which are contiguous, share services and social life, and are separated from other communities on the island.
Document 15: South Shore Estuary: The South Shore Estuary is an estuary located along the south shore of Long Island, between the mainland and the outer barrier islands, in eastern New York state. It stretches for over 70 mi from West Bay in Nassau County to the Shinnecock Bay in Suffolk County.
ground_truth: Atlantic Ocean