I am not a fan of ports, if port, front only, especially in an apt.
However, check the technology of those Joseph Audios soix found, he makes terrific speakers, however they have a rear port. IF you have plaster or brick or outside walls, then
https://www.stereophile.com/floorloudspeakers/321/index.html
They have Richard Modafferi Infinite Slope Technology which is amazing,
I owned JSE Infinite Slope Model II’s, no ports, sound incredible, if not too big, keep in mind you will probably move to .......?
here’s a pair of smaller JSE’s, no ports (never heard this model)
other JSE’s on hifishark
https://www.hifishark.com/search?q=infinite+slope