Leaving Shinjuku Station, take the East Exit for Kabukicho, Golden Gai, and Hanazono Shrine. Take the West Exit for the Tokyo Metropolitan Government Building, Tokyo Opera City, and the Park Hyatt Hotel. Take the South Exit for Lumine, Takashimaya, and Shinjuku Gyoen.
From Tokyo Station to Shinjuku Station:
Take the Chuo Line direct to Shinjuku Station (15 minutes, ¥200)