Don’t quote me on this but I hug the shore and the boundary wall and cross over quickly at short gaps. Start at the rock island crross quick to the wall and hug that until you are behind herbivore island then cros to it quick. Just don’t have any tames on board or them will be pushed out by the wall
It will attacks rafts so be carful coming across one on a boat.
Also the Alpha Albino Leedsichthys Will give you raw prime fish me when you scrape meat off of it, and killing it will give you The Captains Hat Skin