In terms of safety, you'll find Cebu quite secure during the day. Still, take a moment to review our guide on common tourist traps. The security situation deteriorates after sunset. If you must go out, use reliable transportation and stick to main streets.
Whale sharks are completely safe for humans. They often don't react to divers swimming by or even touching them. However, such actions might startle the fish, leading it to dart away at torpedo-like speed into the depths. »