let's have a look at maps, again...

https://www.google.co.uk/maps/place/United+Kingdom/@55.033413,-12.4056185,5z/data=!3m1!4b1!4m5!3m4!1s0x25a3b1142c791a9:0xc4f8a0433288257a!8m2!3d55.378051!4d-3.435973

let's search for the following out of the above url:
55.033413,-12.4056185

well the sea isn't a 'deep blue' just off Ireland...but even so...go figure....