In the island's small capital, there is a little passageway next to the church. There, you will find a small shop where a lady sits with her cat and carries a small collection of 6-7 fragrances.
I would describe the fragrance as Fresh - Floral. Don't worry about the myrtle, I would never have noticed it if I hadn't read it here as a fragrance note.
I took three bottles with me right away so I would have some in stock for the next few years :)
If you ever happen to be there, find this perfumery. Hot tip!