For surf setup:
Stock F/A, it keeps the water out
Handlepole limiting rope (blowsion.com)
bilge pump (rule 500)
Tow rope
Tool kit and spare plugs in sealed cell phone bag
Turf kit
Giro or light MX helmet
These are things that will help you get set up for surf riding and keep you and your boat going. The Limiting Rope, Bilge pump and Helmet are essentials...