1) To/from Goa Area
2) Use the Sword of Water with the Ball of Water to create an ice bridge across these shallows.
3) To/from Shyron; change into Stom and the guards will let you pass.
4) Fruit of Lime
5) To/from Styx (Use Key to Styx to open.)
6) Medical Herb
7) Charge up the Sword of Wind using the Ball of Wind to destroy these barriers.
8) Magic Ring
9) Bow of Sun (Cast Flight to reach the chest.)