Seattle Grand Hyatt. The Grand Hyatt Seattle will satisfy even the most sophisticated business & leisure travelers. Centrally located in downtown Seattle, next to the Washington State Convention & Trade Center, the hotel redefines the hospitality standard in the Pacific Northwest. Open spaces with a friendly accommodating spirit and high-tech wizardry, the hotel was created with meetings in mind. Its ballrooms, pre-function rooms, and more than 25,000 square feet of meeting space feature marble, fine wood, and rich fabric decor.