Outdoor enthusiasts who loves sailing, fishing, surfing, spearfishing, freediving, crabbing, prawning, all things ocean. When the job is simple, keep it simple. No tanks, just lungs. Available as the best and most simple option to maintain your zincs, propeller and hull while keeping your boat in the water! freediving. /ˈfriːdaɪvɪŋ/ noun. 1. the sport or activity of diving without the aid of breathing apparatus.