Tell me, please, how did you get to the Turquoise player? There are rocks everywhere, and it's impossible to get there. Explain how you did it?

Added after 9 minutes
How do I get to the Turquoise player? In campaign 3, mission 2? I also only have one shipyard. Where do I get a ship to sail to the Turquoise player? HOW DO I GET TO THE TURQUOISE PLAYER? Maybe my game is glitched? Please reply to my email 77777778@inbox.lv

Added after 55 minutes

Besides Arantir, I had Ornella, and I also hired 3 more people in the tavern. Unfortunately, I didn't save the game... Have you tried playing the mission from the beginning? Maybe it's a bug, since you're doing everything correctly?
P.S.: and I'm not He, but She)

Added after 4 hours 8 minutes
Here's a screenshot, I hope it helps. It shows where to summon the ship. Then, sail straight south from there; I marked the path on the minimap:

Tell me, please, where do I learn the ship summoning spell? I've already built all the cities to the maximum