The Maspalomas Carnival is an annual, taking place at the infamous Yumbo Center. It's mixed, but due to the dominant gay crowds, as Yumbo is the Gay Centre of Gran Canaria, it has a firm pink element to it. Al lthe gay bars and clubs host special events.
The Carnval in Playa del Ingles is a very popular period to visit. Make sure to book a hotel near the Yumbo Center. There is all the action!