We used HiperDino's for our 2 weeks in Corralejo(Oct 2009) This is a must go shop, great prices, great produce and superb fish counter. This is where the locals shop. Forget using any of the Netto's on the main tourist routes as these are a real rip off for the tourists.
Also try the Spa as well. Both great value for the self caterer, you will save a packet.
Good for local alcohol as well.
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