Real estate prices in Marseillan are influenced by several key factors, primarily its location along the Mediterranean coast and its proximity to popular tourist destinations such as Béziers and Agde. The charming atmosphere of the town, characterized by its historic architecture and vibrant marina, attracts both tourists and retirees, driving demand for residential properties. Seasonal fluctuations also play a role; property prices often spike during the summer months as holiday homes become sought after. The local economy, which heavily relies on tourism, agriculture, and wine production, can impact property values, particularly in areas near vineyards or beaches. Additionally, infrastructure developments, such as improvements in transportation and amenities, can enhance or diminish property appeal over time. For example, upgraded public transport links to nearby cities can make Marseillan an attractive option for commuters, thereby affecting real estate demand.