Swanwick Marina is situated on the A27, immediately after it crosses the River Hamble, just east of Southampton. The marina is easily reached from either Junction 8 or 9 of the M27.
From Junction 8 of the M27 – At Junction 8 of the M27, take the exit off the roundabout onto the A3024 (signposted Southampton East). On reaching the Windhover Roundabout (at the top of the ramp), take the first exit onto Providence Hill (signposted Park Gate, Sarisbury, Bursledon) and follow the A27 forward. After passing under the railway bridge at Bursledon, proceed to the traffic lights, take the right-hand lane and turn right into Swanwick Marina.
From Junction 9 of the M27 – At Junction 9 of the M27, follow the signs for Park Gate. At the Segensworth Roundabout, take the fifth exit onto the A27 westbound signposted Southampton. Continue straight along the A27 through Park Gate and Sarisbury Green. Follow the A27 down the hill, and at the traffic lights, turn left into Swanwick Marina.