The sale of Billfish is also allowed in Hawaii, so some captains may want to keep even healthy fish to sell.
The wisest policy is to talk to your captain before the charter, and agree on what will happen to your catch.
April sees the transition from winter species to summer species, with Striped Marlin slowing down and big Ono taking their place.
The thing that makes Kona so special, though, is that you never know what you will hook!
Nowadays, targeting Billfish on lures or flies is all the rage, and nowhere will you find it mastered better than in Kona.