Exhibit 8.1

List of Subsidiaries of Cadeler A/S

Name of Subsidiary

Jurisdiction of Incorporation

Wind Orca Ltd.

Cyprus

Wind Osprey Ltd.

Cyprus

Wind N1063 Ltd.

Cyprus

Wind Pace Ltd.

Cyprus

Wind Ally Ltd.

Cyprus

Wind Ace Ltd.

Cyprus

Cadeler Holdings Limited

United Kingdom

Cadeler International Limited

United Kingdom

Cadeler UK Limited

United Kingdom

Wind Scylla Limited

United Kingdom

Wind Maker Limited

United Kingdom

Wind Mover Limited

United Kingdom

Seajacks 3 Limited

Japan

Seajacks Japan LLC

Japan