Decker Gallery Our Decker Gallery offers a unique and historic backdrop for corporate events, cocktail receptions, banquets, fundraisers, reunions, weddings, Bar and Bat Mitzvah celebrations, reunions and anniversary parties. It accommodates 300 guests for a seated, served event, 250 seated with space for a dance floor and food stations and 500 or more for cocktail reception-style service. A floor to ceiling wall of windows, and an outdoor waterfront promenade afford a spectacular view of Baltimore’s Historic Inner Harbor. The Decker Gallery is available daily from 6:00 pm to Midnight. Pavillion An unforgettable waterfront setting with a spectacular view, our open-air Pavilion accommodates 300 guests seated and many more for cocktail reception-style service. See-through walls can be dropped during inclement weather. It is perfect for any event; from a casual Crab Feast, Bull and Oyster Roast or family picnic to the most formal wedding ceremony and reception. The Pavilion is available daily from 7:00am to Midnight. (Summer Hours Vary) Hercules Conference Center Our third floor Liberty Room in the Hercules Conference Center can accommodate up to 60 people for a class, seminar or business lunch. Tours of the museum can be arranged for an additional fee. The Hercules Conference Center is available from 7:00am to 8:00pm. Availability is limited.