That geographic point is located in the Van Diemen Gulf, Northwest Territories, Australia. The nearest island to that point appears to be Gardangarl Island.
That point is in the water roughly 80 miles east-northeast of Darwin, Australia,
between the mainland and Melville Island.
Guam
The Bahamas.
St. Ives is located near 50.2 degrees N latitude, 5.5 degrees W longitude. It is located near the southwesternmost point of the island of Great Britain.
ICELAND
That is Puerto Rico.
Adelaide Island
The island of Hawaii.
Iceland.
The latitude of Bainbridge Island is 47.6553 degrees north. The longitude is 122.535 degrees west. Bainbridge Island is located in Kitsap County, Washington.
Bornholm, a Danish island.
Riesco Island, Chile.
The Bahamas.
Gotland, the largest island in the Baltic Sea.
San Nicolas Island is located at 33.2500 degrees north and 119.5000 degrees west.
St. Ives is located near 50.2 degrees N latitude, 5.5 degrees W longitude. It is located near the southwesternmost point of the island of Great Britain.
ICELAND
That is Puerto Rico.
There is no island located at these coordinates. The Free and Sovereign State of Sonora in Mexico is found here.