The average rental price for apartments in Benicasim varies widely depending on location, size, and proximity to the beach. Generally, one-bedroom apartments can range from approximately €500 to €800 per month, while two-bedroom units typically fall between €800 and €1,200. For example, a one-bedroom apartment closer to the beachfront may cost around €700, whereas a similar apartment located a bit further inland might be available for about €550. In high-demand periods, such as the summer months or during music festivals, prices can increase significantly, with some listings exceeding €1,500 for larger or more luxurious accommodations. It's also common to find furnished apartments at higher rates compared to unfurnished ones, reflecting the added convenience.