Good selections of breakfast food. If you don't want to wait in line for breakfast, go before 7. But the queue moves quickly anyway - it only takes 8 minutes even when the waiting area is half full.
りんかい線国際展示場駅近くにあるサンルートホテル。東京ビッグサイトへのアクセスが便利です。朝食ビュッフェは種類豊富で美味。Business Hotel near Kokusai-tenjijo Sta. Smartly access to Tokyo Big Site. Breakfast buffet is delicious.