Tokyo's scale — 37 million people in the greater metropolitan area — is initially daunting, but the city is organized with such extraordinary efficiency that navigating it on a honeymoon is easier than navigating much smaller European capitals. The train system is comprehensive, punctual, and intuitive once you understand the IC card system (get a Suica card at the airport on arrival and tap it everywhere). The neighborhoods are distinct enough that every train journey is also a cultural transition, and the language barrier that worries first-time visitors has been largely addressed by near-universal use of English signage in tourist areas and translation apps.
Shinjuku, where the Park Hyatt Tokyo occupies floors 39–52 of the Shinjuku Park Tower, remains the emblematic Tokyo honeymoon neighborhood. The combination of Shinjuku's extreme sensory complexity — the red light district of Kabukicho, the serenity of the Shinjuku Gyoen garden, the traditional izakayas of Memory Lane (Omoide Yokocho) serving yakitori under coils of steam — and the views of Mount Fuji at sunrise from the hotel pool creates a Tokyo honeymoon experience of particular intensity. The hotel's New York Bar, featured in Lost in Translation, is as atmospheric as that film suggests.
Asakusa, in the northeast, is old Tokyo — the district where Senso-ji Temple anchors a neighborhood of rickshaw rides, temple stalls, traditional craft shops on Nakamise-dori, and the narrow lanes of Yanaka where wooden machiya townhouses survived the 1945 bombing. Staying in Asakusa positions honeymooners within the city's most historically textured quarter, and the morning temple visit — before 8am, when the smoke from incense sticks is thick and tourists are absent — is one of the most quietly profound experiences Tokyo offers.
Shibuya and Omotesando, the city's most fashion-forward neighborhoods, offer a Tokyo honeymoon in a more contemporary register. The Andaz Tokyo in Toranomon, the Edition hotels in Toranomon and Shinjuku, and the Trunk Hotel in Shibuya represent a wave of design-led properties that have given Tokyo a boutique hotel scene competitive with New York and London. The area around Omotesando Hills, with its architecture by Tadao Ando and surrounding streets of flagship fashion houses in buildings by Pritzker Prize winners, is a genuine outdoor museum of contemporary architecture.
For honeymooners willing to venture outside Tokyo for a night, the ryokan experience — traditional Japanese inn with tatami rooms, kaiseki dinner served in room by kimono-wearing staff, and outdoor rotenburo (hot spring bath) — is available in Nikko (2 hours north), Hakone (1.5 hours southwest, with Mount Fuji views), and the hot spring towns of the Izu Peninsula. Booking a one- or two-night ryokan as part of a Tokyo honeymoon creates a cultural and sensory contrast that deepens the entire trip.