There are several nice markets in Gran Canaria, in the tourist area as well as in the capital.
The weekly markets in Gran Canaria:
Market in San Fernando / Playa del Ingles
Every Saturday and Wednesday from 8:00 to 14:00 pm and at the market hall in San Fernando.
The flea market in San fernando
Flea market every Sunday morning from 8:00 to 14:00 pm
Farmers market, once per 2 weeks in Puerto Rico other week in San Fernando (city hall).
From 08:00 to 14:00 hours. Many local products and organic vegetables and fruit.
Market in Arguineguin
Every Tuesday from 08:00 to 14:00 hours along the harbor.
Market in Puerto de Mogan
Every Friday from 08:00 to 14:00 hours to the port.
Every Wednesday from 8:00 to 14:00 pm in the MRCA Centro.
Market in Santa Brigida
Art and crafts market. Every Sunday from 11:00 to 15:00 pm Parque Municipal.
Market in Arucas
Farmers market. Every Sunday from 08.00 - 14.00 for the cathedral.
Markets in Las Palmas
Flower market: Every Sunday from 10:00 to 15:00 pm in Plaza Santo Domingo in the center of Vegueta.
Street Market: Every Sunday from 8:00 to 14:00 hours. Along the Avenida Maritima.
Market in Vega de San Mateo
Every Sunday from 8:00 a.m. to 14:00 pm at the center. There is a nice square where locals on Sunday mornings dance to live music!
Market in Teror
Every Sunday from 8:00 a.m. to 14:00 pm in the center.
Note: If you go to a market in the north of the island, take warm clothing. The weather can be quite different than in the south!