La Alhóndiga de El Tanque Monument · El Tanque, Tenerife - Icod-Daute-Isla Baja, Santa Cruz de Tenerife Image of El Tanque, not of the place itself. A former grain store founded in 1625 that survived the 1706 volcanic eruption, evidence of the municipality's traditional agricultural architecture. 1625 Photo: Edgar El (CC BY 3.0) What to see and do in El Tanque