Modlinek [mɔdˈlinɛk] (German: Muddelstrand) is a village in the administrative district of Gmina Ustka, within Słupsk County, Pomeranian Voivodeship, in northern Poland. It lies approximately 5 kilometres (3 mi) south-west of Ustka, 19 km (12 mi) north-west of Słupsk, and 122 km (76 mi) west of the regional capital Gdańsk.
Before 1945 the area was part of Germany. For the history of the region, see History of Pomerania.
The village has a population of 45.
Coordinates: 54°33′49″N 16°47′32″E / 54.56361°N 16.79222°E