How to fast travel to the sky islands?

[CBlade]

I know how to navigate to them through the maps but clicking on the blimps doesn't prompt me to fast travel, this is especially annoying when wanting to do Law's challenges as I can't travel to the sky island its on.

[CBlade]

Nevermind I figured it out.
What you need to do is travel to Laws sky island through the cannon then go to the blimp and interact with it to travel to the floating islands :).

[Blindscape]

You need someone to corroborate that, otherwise, you're just lying. Fast Travel points do not need to be interacted with to activate them; they come up automatically when an area becomes accessible.