Boat rental in Ayrshire

I will be staying with my in-laws on Millport this July and am curious about renting a boat for fishing in the area. I would be looking to get a single or twin engine, 20-30 foot center console. I am not sure if this is something that’s even available in the area. In my previous visits to millport/Largs I have not noticed much of a fishing scene. There seems to be some shore fishing but most websites are dominated by fly fishing stocked ponds or trout streams.

I am also curious if there is some specific terminology I should be using when looking for a boat rental or fishing charter. I currently live in South Florida and the boating culture seems very different there.

Any and all information you all can provide is greatly appreciated.