noun
water bus
A passenger boat that operates like a bus on rivers, canals, or harbors, often used for public transport or sightseeing.
東京では、水上バスでお台場に行けます。
In Tokyo, you can go to Odaiba by water bus.
水上バスに乗って、川から街の景色を楽しんだ。
I took a water bus and enjoyed the city scenery from the river.