More than 100 islands across the Seven Seas
Mostly official Street View Coverage, all unofficial coverage is street view-like and without distracting watermarks or ones that would give away the location (in theory).
The extra locations that do not have official coverage are: UK Virgin Islands, Anguila, Saint Martin, Saba, Saint Kits & Nevis, Dominica, Barbados, Saint Vincent and Trinidad and Tobago in the Caribbean; Tristan da Cunha and Cape Verde (Santiago and Ilha do Fogo) in the Atlantic; Palau, some Micronesian islands (Yap, Weno, Dublon, Pohnpe and Kosrae), Kiribati (south Tarawa), Nauru, New Caledonia, Tonga, Fiji, Norfolk and Chatham in the Pacific; Ongjin in Korea; East Timor; and the Maldives (Male, Manadhoo, Kuramathi and Funaadu).
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