The 17th Las Palmas underwater-photography festival combines school outreach, professional Open and Cazafotosub contests, a night competition, a family photo challenge, an exhibition and public sea activities at Playa Chica. More than 300 places are offered for kayak outings, guided snorkelling, children’s workshops and introductory dives. Most public activities are free; Fotosub en Familia costs €3 per person and professional competition fees vary by category.