We have heard very good things about the neighbouring island, Santo Antao, so we definately had to make a visit there when we were in Mindelo. The easiest way to visit the island is to take the ferry from Mindelo and then jump onto one of the cars that drive people around on the island, or rent a car or scooter. We rented scooters in Mindelo and took them on the ferry over to Santo Antao.
It was a really cool island, and definitely worth a visit if ever in Mindelo. Here comes a bunch of photos to show this cool place.