It is situated about 10 km ( 6 mi ) west of Yzerfontein and 55 km ( 34 mi ) north of Cape Town .
Dassen Island is an uninhabited South African island in the Atlantic Ocean .
Dassen Island is situated about 10 km ( 6 mi ) west of Yzerfontein and 55 km ( 34 mi ) north of Cape Town .
Dassen Island is an uninhabited South African island in the Atlantic Ocean .