1. The Royal Park Hotel Tokyo Haneda Airport Terminal 3
Best for: International flyers (T3) with very early or very late flights — entry from departures level, no train, no shuttle.
Terminal access: Connected directly to Terminal 3 (international) departures level. T1/T2 reachable by free inter-terminal shuttle (~6-minute frequency).
How you get to the plane: Walk from Terminal 3 departures lobby (3F) · Time to terminal: 0 min — at the airport
The Royal Park is the original in-terminal hotel at Haneda — opened 2014, directly connected to Terminal 3's departure level. Rooms have soundproofing and Serta mattresses; lobby is airside-friendly with 24-hour check-in. The default pick when a 4 a.m. ICN departure or 1 a.m. arrival makes any other option painful. Pricier per-night than Kamata or Shinagawa, but fewer flight-day failure modes.
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