Southbourne is on the Stage Coach 700 service between Portsmouth and Brighton. During the week busses run every half hour.
Southbourne is also served by Emsworth and District:
Service 11 between Thorney Island and Chichester via Emsworth, Westbourne and Southbourne
Service 27 Rowlands Castle to Southbourne via Emsworth
Service 36 Southbourne - Havant - ASDA
Southbourne has a direct rail access to Portsmouth, Southampton, Chichester, Brighton and London, Victoria.