FWIW, I bought mine in Ft. Lauderdale and drove it home to Colorado. Had a blast.
You don't buy a Boxster because you need it - You buy it for an adventure. So get that adventure started on the way home!
But if circumstances just won't allow that, here's a thread that might be useful -
https://rennlist.com/forums/997-forum/923408-anybody-can-recommend-a-good-car-transport-shipping-company-2.html
Good luck!