+−What is Fiesta de la Inmaculada Concepción?
The island's patronal week: a novena in the village church, a decorated fishing-boat procession around the north point, and dancing in the plaza opposite the ferry pier. It's a religious event held in Isla Mujeres.
+−When is Fiesta de la Inmaculada Concepción in 2026?
Fiesta de la Inmaculada Concepción runs 1–8 December 2026 in Isla Mujeres. Councils can move the exact days by a day or two to land on a weekend, so confirm with the town hall before booking non-refundable travel.
+−When is Fiesta de la Inmaculada Concepción in 2027?
The provisional 2027 dates are 1–8 December 2027, in Isla Mujeres.
+−Is Fiesta de la Inmaculada Concepción free to attend?
Yes — like the great majority of Spanish town festivals, Fiesta de la Inmaculada Concepción is free and open-air; you only pay for food, drink and any seating the town sells for a parade or firework display.
+−Where should I stay for Fiesta de la Inmaculada Concepción?
Book a room in Isla Mujeres itself as early as you can: accommodation for this kind of festival sells out weeks ahead and prices climb sharply for the main night. A base in Isla Mujeres also means you're not relying on late transport home once the celebrations run past midnight.