Couple of websites you can also use for research are www.stay123.com
and Airport Hotels - Park Sleep and Fly Packages | Free Airport Parking
Several hotels in the area offer these specials. Definitely much cheaper than parking at the pier, that's for sure. Just have to pay for one night's stay and get a week of parking for free.
47 Cruises & Counting! Favorites: Paul Gauguin to Tahiti: Uniworld River Cruises in Europe; any of the Celebrity Solstice-class ships; Holland America for 12-nights in the Baltics & Russia; RCCL for 14-night Greek Isles, Turkey, & Croatia; Holland America for 14-day Alaska cruisetour; 10-night Canada/New England cruise; 21 days in Hawaii including a 7-night NCL cruise; Oceania for 25 days in Asia; & 3 months touring Europe by train. And many days spent in all-inclusive resorts!