The Cliffs Pavilion has a pay and display car park on-site, which costs £4 for up to 3 hours. The next closest car park is a 3 minute walk away on Shorefield Road (use the postcode SS0 7RQ), which costs £4.50 for up to 3 hours.
You can find all other parking options near the venue on the Parkopedia website.
Blue Badge Holders
Please be aware that parking regulations in Southend's Pay & Display car parks have recently changed. If your badge is registered in Southend then you are still able to park free-of-charge, but if it is registered elsewhere you are now required to pay for your parking.