You can get to the city centre on the M275, from the A3, A27 and M27. From the M275 follow the signs for the Southsea and Isle of Wight ferries. Next follow the signs for the Guildhall. Spinnaker college is based around the corner from the Guildhall in the city centre.
By train:
Portsmouth and Southsea train station is just a two minute walk from Spinnaker College.
By bus:
Buses into the City stop at Commercial road which is a three minute walk from Spinnaker College.