Where and when to see bull sharks
Stocky, powerful sharks seen on guided dives where pregnant females gather seasonally, most famously off Playa del Carmen in winter and at Fiji's Shark Reef.
This guide documents sightings in 2 Good Dives regions. The most regions are in peak season in December–February.
Bull sharks sighting calendar
Calendar months, every year
Peak = best odds · ● = regularly seen · blank = unlikely.
Calendars describe animal presence, not weather or site access; check each region’s dive season. For grouped animals, a marked month may apply to only one member of the group. Sightings vary by site and dive.