Havfrue (Mermaid) is a submarine communications cable privately owned by Aqua Comms, Meta, Google and Bulk Infrastructure, linking the United States, Ireland and Denmark.

[1] The cable was laid by TE SubCom and has a designed capacity of 108 Tbit/s.

The operator and landing party in the US, Ireland and Denmark is Aqua Comms, which will market and sell capacity services and raw spectrum under the brand name 'America Europe Connect-2' (AEC-2).

[2][3] Bulk Fibre Networks is utilising Ciena’s Spectrum Sharing submarine network infrastructure to provide tailored virtual fiber pairs on its part of the infrastructure, as well as Ciena's GeoMesh Extreme submarine network solution and Manage, Control and Plan (MCP) domain controller, which provides network management capabilities.

[5] In 2023, EXA Infrastructure added Havfrue to its transatlantic subsea cable route network connecting USA and Europe.