The express train JR Narita Express (NEX) departs from Narita Airport several times an hour for Yokohama station. The trip requires about 1.5 hours, and the one-way fare is 3,980 Yen. At Yokohama Station, you can transfer to the JR Negishi Line for Sakuragi-cho Station (one stop, fair is included in the NEX fare), or you can transfer to the Minatomirai 21 (MM21) Line for Minato Mirai Station (two stops, 180 Yen).
By limousine bus
Six limousine buses are scheduled each day from Narita airport directly to the Intercontinental Hotel (Conference site). If the schedule is inconvenient, buses to YCAT (Yokohama City Air Terminal) leave every 20 to 30 minutes. The bus trip takes about 1.5 to 2 hours, depending on the traffic conditions. YCAT is located next to Yokohama Station. From YCAT, you can take the MM21 Line to Minato Mirai Station or take the JR Lines to Sakuragi-cho Station, depending on your hotel. A taxi from YCAT to the MM21 district will cost about 1,000 Yen.