There are some local markets both in Gran Alacant and in Santa Pola. They are normally open until 2 pm.
Santa Pola Saturdays. Mondays with limited products
Gran Alacant Thursdays
El Altet Thursday afternoon with mostly fruit and vegetables
Beside these there are markets all around the area, for example:
Mondays Dénia, Elche, Santa Pola
Tuesdays: Altea, Benidorm. Los Alcázares, Orihuela, Villajoyosa
Wednesdays: Benidorm. El Campello, Guardamar, Ondara, San Miguel de Salinas, Teulada
Thursdays: Alicante, GAnia. Gran Alacant. Jávea. Pego, Rojales, San Javier, San Fulgiencio (urb Marina)
Fridays: Alfaz del Pi, Dolores. Dénia, Finestrat, Gata de Gorgos, Los Montesinos, Torrevieja
Saturdays: Alicante, Almoradi. Benissa. Calpe, Elche, Playa Flamenca, Santa Pola
Sundays: Albir, Alicante (Plaza de Toros), Benidorm, Ciudad Quesada (Zuco), La Nucia