156 dive sites in 42 countries have records of whales.
8 confirmed by two or more independent sources, 148 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.
All 17 whale sites in United StatesDive sites in United States
All 13 whale sites in South AfricaDive sites in South Africa