A reservation and management system for recreational activities offered by a plurality of activity operators, comprises a database for storing information regarding a plurality of recreational activities, including inventory information and a financial record containing financial information, for reservation transactions carried out for said activity and profile information for a plurality of subscribers, including activity operators and resellers. The system includes a reservation information compiler for providing information for an activity, a transaction module for updating inventory information and financial record following a reservation transaction request. A plurality of purchase modules are also provided, allowing clients and resellers to access information and make reservation for activities. An operator inventory management module allows to receive and update activity information.