Middelgrunden may refer to:
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Middelgrunden (Øresund), a shoal in the Øresund, Denmark
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Middelgrunden wind farm
The Middelgrunden wind farm stands on the shoal Middelgrunden, between shipping lanes in the Øresund, 3.5 km outside Copenhagen, Denmark. When it was built in 2000, it was the world's largest offshore farm, with 20 turbines (2 MW B ...
, an offshore wind park on the shoal Middelgrunden
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Middelgrundsfortet
Middelgrundsfortet or Fort Middelgrund, known as Ungdomsøen (The Youth Island) since 2015, is a sea fort located on an artificial island in the Øresund between Copenhagen and Malmö. The fortress is constructed at a point where the seabed is 7 ...
, a fort on the shoal Middelgrunden
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