Tsu Japanese Restaurant - JW Marriott Hotel Bangkok is located in Bangkok, Thailand on 4 Sukhumvit Road. Tsu Japanese Restaurant - JW Marriott Hotel Bangkok is rated 3 out of 5 in the category japanese in Thailand. Here at Tsu Japanese Restaurant, we offer a sleek, modern ambiance and a range of skillfully crafted Japanese delicacies. Sample world-class sushi, classic regional dishes and much more.