Playa de San Marcos Nature · Icod de los Vinos, Tenerife - Icod-Daute-Isla Baja, Santa Cruz de Tenerife A black sand beach in a sheltered bay on the north coast of Icod de los Vinos, with a small fishing harbour; since the conquest it has served as a refuge for sailors and a trading point for timber used in shipbuilding. Photo: Eduardo Martín Pérez (CC BY 4.0) What to see and do in Icod de los Vinos