Estação Fluvial Sul e, Sueste, Av. Infante Dom Henrique 1B, 1100-016 Lisboa, Portugal | Please pay attention to address #1b (do not confuse it with #18, which is far away).
The meeting point is our ticket office, No. 8, located inside the station (Estação Fluvial Sul e Sueste).
If you are facing the river at Terreiro do Paço (Commerce Square), it is the first white building by the river on your left-hand side.
Ticket office No. 8 is the fourth on the left when entering the station from the street side.