You can shave off some time while traveling to Iskaara thanks to a boat discovered on a remote island in the Azure Span! 

If you’re in Azure Span and want to reach Iskaara, there’s a boat located on a remote island in the south that will save you some time! The exact location is depicted on the map below. When you click the boat, it will take you directly to Iskaara.

Thanks to purgingomen for the tip!

Source: Reddit