Wilts & Dorset 50 Bournemouth - Swanage via the Sandbanks Ferry. In the summer this is an open topper. It's not often you can go on a bus across a ferry.....Takes about an hour. Every 30 minutes in high summer, otherwise hourly. Combine this with route 40, Swanage to Poole via Corfe Castle and Wareham. Double-deckers every hour, takes about 75 minutes. There are frequent buses from Poole to take you back to Bournemouth. Wilts & Dorset website is http://www.wdbus.co.uk/

Picture of Swanage Beach from www.freefoto.com