Before You Book Osaka Aquarium Kaiyukan: Every Cost, and What's Worth It

Kaiyukan is one of the largest aquariums in the world, built around a giant Pacific Ocean tank with whale sharks, and its ticket prices change with the date. There are four adult price bands, child prices, timed e-tickets through the official site and resellers, combination tickets with nearby sights, and a no-re-entry rule. Most of them sound worth knowing. You don't need all of them. In this guide we walk through what each one costs, what you really get, and how to choose the right one for your family, whether it's a quiet weekday or a packed Sunday.