DisneySea hits differently than any other Disney park - you really feel the money and meticulous Japanese attention to detail in every corner. Each themed port pulls off something that seems impossible; they've stuck a full-sized volcano in the middle of Tokyo Bay and somehow made it work perfectly. The steampunk Victorian vibes of Mysterious Island make you forget you're in modern Japan.
Here's what really stands out: the food is legitimately good, not just "good for a theme park." You can sit down for an actual quality Italian meal in their recreation of Venice, or grab some of those famous popcorn flavors that people line up for (curry popcorn, anyone?).
The fastidious attention to detail feels uniquely Japanese - they've basically taken the Disney formula and perfected it. Is it the best Disney park in the world? A lot of people think so, and after experiencing how they've managed to make a fake Mediterranean port feel authentic, it's hard to disagree.