OBSTACLE

COAST

Africa

Antarctica

Australia

Bahamas

Borneo

Britain

Corsica

Crete

Cuba

Cyprus

Denmark

Europe Asia

Hispaniola

Iceland

Ireland

Jamaica

JapanNorth

Jejudo

KepulauanRiau

Madagascar

Mallorca

NewZealandNorth

NewZealandSouth

North America

PuertoRico

RiauIslands

Sardinia

Sicily

Smiths

Socotra

SolomanIslands

South America

SriLanka

Sumatra

Taiwan

Tasmania

Tsushima

THREAT

SpratlyIslands