After lunch, you can go to Binjiang Road, or take Tourist 2 at Nanshi Food Street bus stop and get off at Binjiang Road stop, then turn right at Xikai Church. Cross the footbridge is Binjiang Road. There is a Liaoning Road snack street on Binjiang Road.
After the Binjiang Road, go to the Italian style area. Stroll from Riverside Road to the Department Store Building is not far from the Italian style area, to the Department Store Building to the river direction, across the Bei'an Bridge is the Italian style area. If you are tired of shopping, you can also take the Golden Street Tourist Bus to the Department Store.
From the Italian style district Ping'an Street bus station to take the No. 5 at the Dongma Road station, crossing the Jin Gang Bridge can be back to the hotel.
Go to Tianjin Eye in the evening, then walk along the river from Tianjin Eye back to the hotel, or you can visit the Ancient Culture Street. If you plan to take a boat trip along the river, there are piers at Tianjin Eye and Ancient Culture Street.
As for seafood, it is not recommended. There is none near Jin Gang Qiao, and it is not the season for seafood.