This was originally drawn for Astraterra RPG and based on a design by Jonas Mustonen. I really liked how this map can be both an illustration or a map and I think this can be useful in other settings than Astraterra's. One story seed that came to my mind was that the island was raised to the skies due to a failed magical experiment of sorts. There might have been other consequences too sucking all life from the island and turning all inhabitants into undead creatures or some other horrible abominations.
I drew this with my usual set of tools: 0.5, 0.3, 0.1 and 0.05 Neopiko fineliner pens, Letraset bleed proof marker paper for the line and Copic markers for the shading. After the lineart and shading was done, I gave this a quick treatment in Photoshop.
I included a version that can also work as player hand outs and a printer-friendly version as well. The map versions are attached with this post and also available via Dropbox, HERE.