If your room's geography can take a wall-mounted TT bracket (there are some substantial beast available) that is the usual 'best' solution to your issue.
2 responses Add your response
The room's geography requirement includes an outside wall. Outside walls are not sitting directly on the floor and joists so vibrations are not transferred from floor to wall. If your wall is on a concrete floor slab it's a different story.
Also a good idea not to have your turntable in a corner, and perhaps not between your speakers.