From the east and west follow the A35 to Dorchester, from the north west it’s the A37 you need. At Dorchester take the A354 down the hill towards Weymouth.
At the Jurassic roundabout take the second exit onto Weymouth Relief road. Then, take the second exit at the Veasta roundabout.
Continue straight on at Manor roundabout onto Weymouth Way, taking the first exit at Chafeys roundabout.
Take a left at the traffic lights and continue over Westham bridge. At the next lights turn right onto commercial road, where the marina will be on your right hand side.