Various types of tickets to RubyKaigi are selling on Doorkeeper.jp.
There are many discount option in RubyKaigi 2013. Please make sure to read the instruction on the linked URL.
Tokyo International Exchange Center
Tokyo Academic Park, 2-2-1 Aomi, Koto-ku, Tokyo 135-8630 Japan
- 3 minutes walk from "Fune-no-Kagakukan"station on "Yurikamome" line
- 15 minutes walk from "Tokyo Teleport" station on "Rinkai" line