St Lucia Shore Excursion: Rainforest Aerial Tram and Zipline Canopy Tour. When your cruise ship docks in St Lucia, spend your time in port exploring the island's rainforest via aerial tram and zipline. During this 4.5-hour shore excursion, enjoy a guided nature tour that allows a bird's eye view of the lush tropical forest. Then clip into a harness to zoom through a 10-zipline canopy tour and enjoy a hike through the rainforest. Book and Save 10%: St Lucia Shore Excursion: Rainforest Aerial Tram and Zipline Canopy Tour.