I was absolutely thrilled to experience the highly anticipated first American Express Centurion Lounge in Japan, located at Tokyo's Haneda Airport! For fellow American Express Platinum cardholders, this lounge is a game-changer, offering a luxurious retreat from the usual airport hustle. If you're wondering about access and what to expect, here's my personal take. Securing access with your American Express Platinum card is generally straightforward. Typically, the primary cardholder and up to two guests receive complimentary access. However, it's always a good idea to confirm the latest access policies and guest allowances directly with American Express or on the Centurion Lounge app, especially for international locations, as policies can sometimes vary. I found the check-in process to be smooth and efficient, a welcome start to any journey. Once inside, the ambiance immediately sets a different tone. The design incorporates elegant Japanese aesthetics while maintaining the signature Centurion Lounge sophistication. It's a serene space, perfect for unwinding or catching up on work before your flight. You'll find comfortable seating areas, high-speed Wi-Fi, and plenty of power outlets to recharge your devices. It truly feels like an oasis. Now, let's talk about the culinary experience – a highlight for many, including me! The lounge boasts a fantastic selection of food and beverages. I was particularly impressed by the thoughtfully curated menu, featuring both international favorites and delightful local Japanese touches. I absolutely loved their *Matcha Kuau To*, a unique matcha dessert that was both refreshing and authentic – a true taste of Japan before boarding! They also had clear ご案内 (information) regarding all the 食材のご案内 (food ingredients), and I noticed prominent signs indicating アレルギー (allergy) information for various dishes, which is incredibly helpful and reassuring for travelers with dietary restrictions. The bar also offers a wide array of premium spirits, wines, and craft cocktails, along with non-alcoholic options. Located within the Haneda International Terminal, finding the lounge is relatively easy once you've passed through security. I'd recommend arriving a bit earlier than usual to fully enjoy the amenities, especially during peak travel times. Whether you're looking for a quiet spot to work, a delicious meal, or simply a comfortable place to relax, the Haneda Centurion Lounge stands out. It truly elevates the travel experience for American Express Platinum members, making your journey from Japan even more enjoyable.