The majority of connecting trains to the Isle of Wight are operated by South Western Railway. You can purchase joint train and ferry tickets, and also review train times and information on their website.
The car ferry runs from Southampton to East Cowes. The journey takes 55 minutes and departures are every hour in the summer. The terminal in Southampton is very easy to get to, just follow the A303/A36 or A35/A31 from the West, the M3/A34/M40 from the North or M27/A27/A3 from the East. A floating bridge for both foot passengers and vehicles connects East and West Cowes across the River Medina
The Red Jet runs from Southampton to West Cowes.There are sailings every 30 minutes at peak times including Saturdays and every 60 minutes at off-peak times. The crossing takes under 25 minutes at speeds up to 40 knots!
Red Jet timetables are available here .
If you do decide to bring your car across to the Island for the regatta, or if you are planning on driving across to Cowes from another Island location, then parking is provided in the grassed areas at Northwood House (off Ward Avenue), courtesy of the Northwood House Trustees and Cowes Carnival. All proceeds go to the restoration of Northwood House.