60 Freestanding Soaking Tub.
Although they can be a bit expensive, there are some drop in tub options that are a bit more reasonably priced. You might be one of the lucky who can set a 60 Inch freestanding tub on their balcony and relish it with at least work and stress. Because by using a huge tub, water will still remain in the bath.
These photos organized under :bathtub freestanding.