Take the kids to Swanage Pier for some sunshine and fresh air. They'll love trying to find fish splashing in the waters below or boats way off in the distance.
If you're staying a while in Swanage, Swanage Pier is a great place to start your sightseeing. This waterside attraction is one of numerous attractions that'll keep you occupied here. Corfe Castle, Sandbanks Beach, and Brownsea Island are also waiting to be explored close by.