Located year-round on Custom House Wharf in the historic Old Port, The Porthole offers Portland’s largest waterfront deck with stunning views of Casco Bay & unmatched “Big Deck Energy.” Whether you're planning a corporate outing, rehearsal dinner, lobster bake, birthday celebration, or intimate wedding brunch, our versatile indoor/outdoor space (up to 140 guests for a cocktail party) and vibrant atmosphere ensure a memorable event. Flexible Event Packages – From casual cocktail receptions to full lobster feasts, we offer custom pricing with packages to suit every style and size. All-Inclusive Amenities – Enjoy a full bar, seamless catering, ADA accessibility, wireless Internet, and no cover charge—ever. Dedicated Event Concierge – Partner with our Director of Events, Sarah Dionne, who will help plan, coordinate, and elevate your gathering from vision to execution. Year-Round Appeal – Open every day, all year, so no matter the season, our waterfront venue brings the best of Portland summer vibes. Signature Seafood Experience – Known for fresh Casco Bay fare and our famous Twin Lobster Dinner, we bring Maine to your table with high-quality American cuisine. Host your next private event at The Porthole and treat your guests to the “way Portland does summer” with waterfront views, unforgettable food, and easygoing style.