Lake Bant, or Banter See in German, is an artificial lake in the North Sea port city of Wilhelmshaven in north-west Germany.

It was originally part of the harbour complex created by enclosing part of Jade Bight bordering the city's waterfront for military and industrial use.

It used to contain naval facilities, including a submarine base.

It is surrounded by parkland, recreational facilities, up-market housing, research institutes and company offices.

[1] This Lower Saxony location article is a stub.