Average GPS coordinates for El Tesoro Postcode location: 18.15, -89.167. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). El Tesoro on map:

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Listing cities & postcodes (1):
>> Campeche, 24646 El Tesoro, Calakmul, GPS coordinates: 18.15,-89.1667