276 dive sites in 32 countries have records of bull sharks.
23 confirmed by two or more independent sources, 253 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 12 bull shark sites in United StatesDive sites in United States
All 24 bull shark sites in South AfricaDive sites in South Africa
All 37 bull shark sites in MozambiqueDive sites in Mozambique