Get tickets and join the fans at a game at Calshot Activities Centre. If there's nothing happening while you're there, you might like to check if they offer a guided tour of the grounds.
When it comes to things to do in New Forest District, Calshot Activities Centre is a favorite with travelers. And in good news for your budget, it's free. Osborne House, Netley Abbey and Exbury Gardens and Steam Railway will fill in your day and are not far from the sporting facility.