The boats from POR and POFQ come in at the Marketplace dock. The OKW boat docks at West Side. You will either have to take another boat between the docks or walk. Depending on the time of day you could have quite a wait for all of the boats. 1 1/2 years ago, DS and I were going from POFQ to Olivia's at OKW. We got in line at FQ about an hour before our ADR. We had to wait for the third boat, before we got on. Then at DTD, there was a long line for the boat to West Side so we walked. There was no shortcut bridge then. We got to WS just as the boat to OKW was leaving so we had to wait for the next one. All told it took us an hour and a half to get to Olivia's. We were late for our ADR. Happily, after a short wait we were seated. Ironically, on the return trip we hit every boat just right and made it back in 45 minutes.
Anyway, leave plenty of time for the trip.