The Marlborough Sounds, New Zealand41.2S 174.0E
The Marlborough Sounds are an extensive network of sea-drowned valleys created by a combination of land subsidence and rising sea levels at the north of the South Island of New Zealand.
Covering some 4,000 km² of sounds, islands, and peninsulas, the Marlborough Sounds lie at the South Island’s north-easternmost point, between Tasman Bay in the west and Cloudy Bay in the south-east. The almost fractal coastline, almost all of which is visible in this orthorectified image, contains one fifth of the length of New Zealand’s coasts.
The steep, wooded hills and small quiet bays of the sounds are sparsely populated, as access is difficult. Many of the small settlements and isolated houses are only accessible by boat.