Achill Island, Atlantic Ocean (IRELAND)

 

Treasure Island, San Francisco Bay, Pacific Ocean, California (UNITED STATES OF AMERICA)

 

Hashima Island, Pacific Ocean (JAPAN)

 

Shikotan Island, Kuril Islands, Pacific Ocean (RUSSIA)

 

Isle of Stromboli, Aeolian Islands, Tyrrhenian Sea (ITALY)

 

Ryuku Islands, Pacific Ocean (JAPAN)

 

Xiamen Island, Taiwan Strait (CHINA)