The Treguier marina, also known as Port de Plaisance de Treguier, is a small marina located in the town of Treguier, which is situated on the northern coast of Brittany, France. The marina is located on the Jaudy River, which flows into the English Channel. Treguier itself is a picturesque town with a rich history and culture. It is known for its beautiful cathedral, Saint-Tugdual, which dates back to the 14th century, as well as its charming cobblestone streets, traditional houses, and quaint shops and cafes. The town is also located near several beaches and other attractions, making it a popular destination for tourists and boaters alike.