The site has open access and is under the care and protection of Manx National Heritage.
Further reading:
- Gelling, Peter S.: Excavation of a Promontory Fort at Port Grenaugh, Santon. In: Proceedings of the Isle of Man Natural History and Antiquarian Society 5:3, 1952, 307-315.
- Johnson, Andrew: A View from the Hills – Some Thoughts on the Reoccupation of Promontory Forts and the Possible Origins of the Manx Farmstead. In: Proceedings of the Isle of Man History and
Antiquarian Society 11:1, 2000, 51-66.
- Johnson, Andrew/Fox, Allison: A Guide to the Archaeological Sites of the Isle of Man up to AD 1500. Douglas 2017.
- Steinforth, Dirk H.: Die skandinavische Besiedlung auf der Isle of Man. Eine archäologische und historische Untersuchung zur frühen Wikingerzeit in der Irischen See (Ergänzungsbände zum
Reallexikon der Germanischen Altertumskunde 92). Berlin/Boston 2015.
- Wilson, David M.: The Vikings in the Isle of Man. Aarhus 2008.