Jenckes House
Jenckes House may refer to either of two houses in the U.S. state of Rhode Island, both of which are listed on the National Register of Historic Places:
Great Gull Island
Great Gull Island is a island separating Long Island and Block Island sounds, located approximately southwest of Little Gull Island.
Both islands are located in Suffolk County, New York, and lie roughly midway between Plum Island and Fishers Island.
Spinnaker Island (Lake Burley Griffin)
Spinnaker Island, within Lake Burley Griffin, is located in Canberra, Australian Capital Territory, Australia.
In total there are six islands in the lake, but only three are named.
Spinnaker Island and Springbank Island are both located in the West Basin of the lake.
The West Basin extends from the Commonwealth Avenue Bridge to Acton Peninsula.
In 2010, invasive exotic vegetation were found on the island, requiring a controlled burn- off for their removal and to reduce the presence of weeds.
Low Island, Falkland Islands
Low Island is one of the Falkland Islands.
It is near West Falkland, to its north, in Byron Sound
It is between Carcass Island and Dunbar Island and to the west of Saunders Island.
It is south of Sedge Island and north of the Byron Heights and Storm Mountain.
Roe Island Light
Roe Island Lighthouse was a lighthouse on Roe Island on the east end of Suisun Bay, California.
Dunbar Island
Dunbar Island is part of the West Point Island Group of the Falkland Islands.
It is near West Falkland, to its north, in Byron Sound.
It is east of Carcass Island and Low Island and to the west of Saunders Island.
It is south of Sedge Island and north of the Byron Heights and Storm Mountain.
The island's land area is.
Little Gull Island
Little Gull Island is a small island in Long Island Sound, located approximately northeast of Great Gull Island.
Both islands are located in the Town of Southold, in Suffolk County, New York, and lie roughly midway between Plum Island and Fishers Island.
Little Gull Island is approximately southwest of Fishers Island and the channel of water between them is the main entrance to Long Island Sound, known as" The Race".
The Little Gull Island Lighthouse occupies much of the rocky island, which is only about in size.
Roe Island
Roe Island is an island in Suisun Bay at the mouth of the Sacramento- San Joaquin River Delta in Solano County, California, 10 km east of Benicia.
Its western tip is named Preston Point and its eastern tip is Gillespie Point.
On November 22, 2010, Brian Hopper was rescued from Roe Island by the U.S. Coast Guard.
He had been stranded on the island for five days( after his rubber raft sprung a leak), before using his cell phone to contact a cousin, who notified the Coast Guard.
Tangoa Island
Tangoa is an island in Vanuatu, located off the southern coast of Vanuatu's largest island Espiritu Santo in Sanma Province.
The local inhabitants speak the Tangoa language.
Great Gull Island
Great Gull Island is a island separating Long Island and Block Island sounds, located approximately southwest of Little Gull Island.
Both islands are located in Suffolk County, New York, and lie roughly midway between Plum Island and Fishers Island.

Question: Are Tangoa Island and Roe Island both located in the same country?
Answer: no