NeKiPiSHui: A green island outside of the centre, but still reachable by the metro. Good place for picnic, rollerskating, or ice-skating at winter. There is also a palace on the island that you can visit.
NeKiPiSHui: The tip of Vasilievsky island is decorated with pretty floral arrangements and a great view towards Peter-Paul Fortress and the Neva embankment.