Complex sentence: After leaving the party and discovering the boat they had arrived on, Tamarack, was overcrowded, they decided to look for alternative accommodation for the night and boarded another Furneaux Lodge's water taxi, driven by Guy Wallace, intending to go ashore.
Split into simpler sentences: After leaving the party and discovering that the boat they had arrived on, Tamarack, was overcrowded, they decided to look for alternative accommodation for the night. They boarded another Furneaux Lodge water taxi, driven by Wallace, intending to go ashore.