The Phantom 4 pro was a fantastic drone in its day and a dream to use on a boat because of ease of catching and that you can enable Atti Mode to prevent the drone fighting against you if the boat is moving or drifting.
But the Mavic 3 (and more...
Yeah this is the reason I didn't even take my drone when I visited last year.
There are services who will do it for you and it's not too expensive but just isn't worth jumping through all those hoops.