Snorkel the sardine run at Panagsama Beach

Swim with sea turtles at the marine sanctuary just south of Panagsama

Night dive to see different marine life behavior

Kawasan Falls canyoneering — jump off waterfalls, scramble through canyons (PHP 1,800–2,500 / $32–45 including transport)

Get PADI Open Water certified (around $280–320 for 3 days)