**Exhibit 8.1**

 

**List of certain subsidiaries of Grupo Aeroportuario del Sureste, S.A.B. de C.V.**

 
| **Name of Subsidiary**                     | ** ** | **Jurisdiction** | ** ** | **Ownership Interest** | ** ** |
|------------------------------------------------------|------------|------------------|------------|-----------------------------|------------|
|                                                 |       |             |       |                        |       |
| Aeropuerto de Cancún,   S.A. de C.V.            |       | Mexico           |       | 99.99                       | %          |
|                                                 |       |             |       |                        |       |
| Aeropuerto de Cozumel,   S.A. de C.V. (1)            |       | Mexico           |       | 99.99                       | %          |
|                                                 |       |             |       |                        |       |
| Aeropuerto de Mérida,   S.A. de C.V.            |       | Mexico           |       | 99.99                       | %          |
|                                                 |       |             |       |                        |       |
| Aeropuerto de   Huatulco, S.A. de C.V. (2)           |       | Mexico           |       | 99.99                       | %          |
|                                                 |       |             |       |                        |       |
| Aeropuerto de Oaxaca,   S.A. de C.V.                 |       | Mexico           |       | 99.99                       | %          |
|                                                 |       |             |       |                        |       |
| Aeropuerto de   Veracruz, S.A. de C.V. (3)           |       | Mexico           |       | 99.99                       | %          |
|                                                 |       |             |       |                        |       |
| Aeropuerto de   Villahermosa, S.A. de C.V.           |       | Mexico           |       | 99.99                       | %          |
|                                                 |       |             |       |                        |       |
| Aeropuerto de   Tapachula, S.A. de C.V. (4)          |       | Mexico           |       | 99.99                       | %          |
|                                                 |       |             |       |                        |       |
| Aeropuerto de   Minatitlán, S.A. de C.V. (5)    |       | Mexico           |       | 99.99                       | %          |
|                                                 |       |             |       |                        |       |
| Servicios   Aeroportuarios del Sureste, S.A. de C.V. |       | Mexico           |       | 99.99                       | %          |
|                                                 |       |             |       |                        |       |
| RH Asur, S.A. de   C.V.                              |       | Mexico           |       | 99.99                       | %          |

 

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(1) As of December 2011, Aeropuerto de Cancún, S.A. de C.V., has an 18.1% equity participation in this airport.  (2) As of December 2011, Aeropuerto de Cancún, S.A. de C.V., has a 21.6% equity participation in this airport. (3) As of December 2011, Aeropuerto de Cancún, S.A. de C.V., has an 8.4% equity participation in this airport. (4) As of December 2011, Aeropuerto de Cancún, S.A. de C.V., has a 30.0% equity participation in this airport. (5) As of December 2011, Aeropuerto de Cancún, S.A. de C.V., has a 23.4% equity participation in this airport.

 

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