Customers who choose to take their own car do so to give themselves the most options for exploring not only the Costa Brava but also the many sights and cities on route through France.
If you cross Dover -Calais (or Eurotunnel) early morning you can drive through the centre of France and expect to arrive early to mid-evening at the resort.
Alternatively many customers choose to stop on route in France. There are many hotel chains situated just off the motorways and are very competitively priced.
If you travel to Caen you can travel on board overnight and drive down the West coast of France to arrive early evening in resort.
A good comparison website for Ferry rates is www.aferry.co.uk