Hispaniola:
shared by Haiti and the Dominican Republic
Isla Grande de Tierre del Fuego:
shared by Argentina and Chile
Usedom:
shared by Germany and Poland
Ireland:
shared by the United Kingdom and the Republic of Ireland
Borneo:
shared by Indonesia, Malaysia, and Brunei
New Guinea:
shared by Indonesia and Papua New Guinea
Timor:
shared by Indonesia and Timor-Leste
Sebatik Island:
shared by Indonesia and Malaysia
Saint Martin:
shared by France and the Netherlands
Kataja:
shared by Sweden and Finland
Märket:
shared by Sweden and Finland
Kouiluoto:
shared by Finland and Russia