Tokyo has more observation decks per square kilometre than any city on earth. Towers, skyscrapers, government buildings, department store rooftops. Everyone wants to sell you a view of the skyline, and honestly, most of them deliver. The real question is not whether to go up. It is which one deserves your time and your yen.
The short version: Shibuya Sky is the best all-around experience, especially at night. Tokyo Skytree is the tallest and best for daytime panoramas. Tokyo Tower is the most charming. And the Tokyo Metropolitan Government Building is free, which matters when you are already spending a fortune on omakase. This guide covers all of them, plus a handful of rooftop gardens and lesser-known spots that round out the picture.
A word on weather. Tokyo's skyline views are entirely weather-dependent. On a clear winter day, you can see Mt Fuji from multiple observation decks. On a humid summer afternoon, you can barely see the next ward over. December through February gives you the best odds. If Fuji visibility matters to you, check the forecast and go early in the morning when haze is thinnest.