173 dive sites in 36 countries have records of jacks and amberjacks.
17 confirmed by two or more independent sources, 156 reported by one source.
Sites are ranked by evidence: first by how many independent divers logged the animal there, then by how many independent sources confirm it. "Best" here means most independently confirmed, nothing more.
Jack / amberjack sites in Costa RicaDive sites in Costa Rica
All 25 jack / amberjack sites in PhilippinesDive sites in Philippines
All 14 jack / amberjack sites in IndonesiaDive sites in Indonesia
Jack / amberjack sites in New ZealandDive sites in New Zealand
Jack / amberjack sites in United StatesDive sites in United States
Jack / amberjack sites in U.S. Virgin IslandsDive sites in U.S. Virgin Islands
Jack / amberjack sites in MozambiqueDive sites in Mozambique
Jack / amberjack sites in South AfricaDive sites in South Africa