So, here is the IslaParadiso.world file with the FIXED Resources imported, for people who don't want to mess with files in S3PE. You can find the full guide on how to use this in Game Help:World Routing Lags wiki.
To permanently solve this, the routing need to be repainted over in Create-A-World. If you're not already aware, broken spots in the routing is what causes Freezes and Lags in your game, as explained in Game Help:Intermittent Freezes wiki FAQ.