I don’t think this can be done, but hoping some clever spark can prove me wrong.
Go here: https://www.guidebookspain.com/map/
On load, a LImelight lightbox will open with a map in it. I’ve set it to load on open so you can see it.
Now close the lightbox and you’ll see an instance of @Jannis Openstreet Map with the various Spanish Costas as pins. At the moment, if you click a pin then click the name of the pop you get taken to a Google Map of that Costa. I want that title link to open the Limelight map.