cat litter box space in TTs

We are wanting to get a new TT next year. Our current TT has the perfect spot for a litter box, but because of several other issues, it's time to trade it in for something shorter. So far we have looked at a couple TT models and found only 1 that for sure has a similar "perfect" space for the litter box. (In this case, it's an open space under a counter connected to the bathroom sink.) We definitely want to keep the litter box in the bathroom, not in any of the other "living" spaces of the TT, so we're interested in TT models (24" box or smaller) that have bathrooms big enough to have floor space - either under a counter or in a corner of the bathroom - for a litter box. Any recommendations? Thanks!