Plunge pool vs hot tub vs jacuzzi: which should you book?
Book a jacuzzi or hot tub if you want a warm, jetted soak you can use in any season, and a plunge pool if you want cool, deeper water to float in on a hot day. A jacuzzi is the indoor jetted tub, a hot tub is the open-air terrace version, and a plunge pool is a small cool pool. All three can be private and in your room.
The words get used loosely in hotel listings, so here is the plain version. A jacuzzi is a heated, jetted tub, usually indoors or on a terrace, built for sitting and soaking two to four people. A hot tub is essentially the same warm jetted soak, but the term usually points to the outdoor, open-air one on a balcony or terrace. A plunge pool is different: a small, deeper pool of cooler water, made for floating and cooling off rather than a hot soak.
For most trips it comes down to season and mood. A heated jacuzzi or hot tub works in spring, autumn and even winter, which makes it the safer pick outside high summer. A plunge pool is at its best on a warm afternoon, and it photographs beautifully against a sea view. Some suites have both.
Whichever you choose, the thing that matters most is that it is private and in your own room or terrace, not a shared spa down the corridor. That is the one detail we check by hand on every listing.