Spanish Omelette Contests in Santa Maria de la Isla Sunday, June 30 19:00 Puente Castro 51 Kms. Fiesta of Puente Castro 2024 Spanish Omelette Contests. You might be also interested in: Spanish Omelette Contests in the province of Leon (1) Spanish Omelette Contests in the province of Valladolid (1) Spanish Omelette Contests in the province of Burgos (2) Spanish Omelette Contests in Biscay (2) Spanish Omelette Contests in Gipuzkoa (4)