A great way to visit the historically important site of Westerplatte. Interesting views of the Gdańsk shipyards as you go - good value for 10 PLN (one way - take the bus back)
Water tram on the route Zielony Most - Westerplatte (Green Bridge - Westerplatte) and Zielony Most - plaża w Górkach Zachodnich (Green Bridge - Western Hills). Reduced price for Tourist Card holders.