Type: sightEntrance fee: FreeHours: Open dailyBest time: Morning or Late Afternoon
The tunnel is a curved acrylic passage set below the tank floor, engineered to hold the full hydrostatic pressure of the water column above while staying optically clear enough to put sharks and rays directly overhead as you walk through. It’s standard aquarium engineering — the same acrylic-panel principle used in tunnel exhibits worldwide — but it’s still the kind of structure that reads as more impressive the more you notice the load it’s carrying.
- Sharks and large rays swim close enough overhead that the scale registers even for visitors who’ve seen aquariums elsewhere.
- Exhibits along the route lean toward marine conservation messaging rather than pure spectacle, with signage explaining the species on display.
- Feeding sessions are the best time to visit if you want the tank at its most active — check the schedule before you go, since it isn’t constant throughout the day.
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Explore Cebu City: Heritage Core, BPO Economy, and the Province's Real Base
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