Discover the history of San Simón Island with Mar de Ons

San Simón Island is situated in the Vigo Estuary, it is an enclave which has . Over the centuries, it has had various roles, from a monastic refuge to a prison, as well as being a quarantine centre and an orphanage.  It is one of the favourite destinations for the more curious and adventurous, as its offers an extremely rewarding experience, where the professional team of guides from the Mar de Ons recount all the details and curiosities about its legends and history. 

In this article, we explain the main phases through which San Simón Island has passed through, right to the present day.  However, you should visit the island to experience every detail and hidden corner of the island for yourself.  to visit San Simón Island on our boat with a guided visit. Check the dates, tariffs and timetables and keep in mind that these outings may vary depending on the season. The departure ports for visiting San Simón Island are Vigo and Cangas, choose the one that’s most convenient for you.

During the 12th and 13th centuries, San Simón Island was inhabited by Templar monks, and later, by Franciscans from the Pascaline order of San Simón. Taking advantage of its isolation and serenity because of its location in the middle of the Vigo Estuary, these devotees found the island to be the perfect place for meditation, prayer and spiritual retreat.  

However, in 1370 the order was excommunicated and was forced to abandon San Simón Island. After a period of abandonment, the Tui Diocese gave the island to Isabelle, the Catholic Queen, to show their gratitude for her loyalty.  

The strategic position of San Simón Island made it a point of interest during various conflicts. In 1589, the English corsair, Francis Drake looted the island, leaving an indelible mark on its history and that of the Vigo Estuary. Later, in 1702, the San Simón inlet was witness to the , where the English and Dutch fleets confronted the Franco-Spanish forces. This confrontation took place during the War of the Spanish Succession and added another chapter to the history of San Simón Island. A history that is explained in detail during our guided visit.  

In the 19th century, San Simón Island was set up as a quarantine station, acting as a centre for those suffering from leprosy and cholera between 1842 and 1927. Its isolation made it ideal for this purpose, enabling control of the spread of contagious diseases. Later, during the Spanish Civil War, San Simón Island became a prison. These dark episodes have left a deep wound in Galicia’s collective memory. This history is what makes a visit to San Simón Island much more interesting, as within its hidden corners and paths, it retains unique legends and secrets.  

After its time as an orphanage between 1955 and 1963, San Simón Island went through a period of abandonment. However, in recent decades, it has made a comeback as a centre of culture and historical memory.  Today, the island hosts cultural events, concerts and educational activities, and has established itself as a space dedicated to which, in its time, Also, its inclusion within the Natura 2000 Network and being designated as a Cultural Interest Asset in 1999 highlight its importance as a protected natural habitat and a site of historic heritage. 

At Mar de Ons, we offer you the opportunity to explore the fascinating history of the Island of San Simón with . During the ferry crossing, you’ll be able to enjoy the panoramic views of the Vigo estuary and learn about some of the most important historical events that have taken place in the area.

Once on the island, our expert guides will accompany you on a tour that takes in everything from the monastic remains to the buildings that served as a lazaretto and prison. You’ll also get to experience the natural beauty of the island, its gardens and stunning views over the estuary, with the Rande bridge as an unmistakable landmark. So, it’ll be the perfect spot for your photos and selfies. Don’t forget to wear comfortable clothing and shoes, apply sun cream and take a camera to capture the special moments on your trip.

The history of the Island of San Simón is one of the factors that make this experience unique, particularly for those who enjoy history and discovering tales of the past. With Mar de Ons, you get to immerse yourself in this thrilling history and experience an unforgettable adventure in one of the most iconic corners of the Vigo estuary.

Find out about our services for students and the excursions we offer to the Island of San Simón through our sales department, which will manage your group booking at the best price