Pilot Pentland Firth and Orkney Waters Marine Spatial Plan was a process undertaken by a working group consisting of Marine Scotland, Orkney Islands Council and Highland Council in advance of statutory regional marine planning.
The Plan can be downloaded from the Scottish Government website.
https://www.gov.scot/publications/pilot-pentland-firth-orkney-waters-marine-spatial-plan/
Orkney Islands Council Marine Planning information is available on the OIC website:
https://www.orkney.gov.uk/Service-Directory/D/marine-planning.htm
OIC Marine Planning Update June 2019: https://www.orkney.gov.uk/Files/Planning/Development-and-Marine-Planning/2019_Miscellaneous/OIC_Marine_Planning_Update_June_19.pdf