GranClass fare has to be paid (�13,600 from Tokyo). Without a rail pass, "GranClass" costs �19,380 between Tokyo and Sendai.
By bus
Many highway buses run to Sendai from various locations in the Tohoku region.
JR Bus Tohoku and Tohoku Kyuko bus operate highway bus service to Sendai from Shinjuku Station in Tokyo. There are five daytime trips and one overnight trip. Each run takes 5 1/2 hours at a cost of �6,210.
An overnight bus service also runs directly from Yokohama and Shinagawa, costing �6,500 from Yokohama (6 1/2 hours) and �6,200 from Shinagawa (5 3/4 hours).
Kintetsu runs an overnight bus service, the Forest, from Osaka and Kyoto to Sendai. The one-way ride costs approximately �12,000 and takes 12 1/4 hours from Osaka and 10 3/4 hours from Kyoto.
Willer Express is a company with nightly bus services to Sendai from Tokyo. With English online booking service.
Meitetsu runs an over night bus service from Sendai to Nagoya. Departure time is 9:30PM and arrival in Nagoya is 7AM.
By boat
Taiheiyo Ferry (Japanese) +81-22-259-0211. Offers overnight car ferries to Nagoya (21 hrs 40 mins) and Tomakomai (in southern Hokkaido) (15 hrs 20 mins) on the SS Ishikari and SS Kitakami.
Getting there: Ferry terminal is located a ten minute taxi ride away from Nakanosakae Station on the JR Senseki line. The terminal is also located not far from the Sendai-ko kita interchange on the Sendai Tobu Highway. For further details, check out the ferry website