The Cost to Develop an Online Marketplace Website like Airbnb can vary depending on factors such as features, Complexity and Development Company chosen. For instance, according to Dev Technosys, the cost could range between $8000 and $25000. However, this estimate may change based on specific requirements, customization needs, and additional features desired. It's essential to thoroughly discuss project details with development teams to get an accurate quote. Overall, investing in a quality marketplace website can yield significant returns in terms of user engagement and business growth.