Signature Portsmouth, NH Seacoast weddings are a specialty at Portsmouth Harbor Events & Conference Center. Our timeless wedding venue marries classic coastal elegance with versatile event space that is certain to provide the perfect backdrop for your special celebration in Portsmouth, NH. Our understated elegance can be easily customized to reflect your unique style, creating a personalized experience for you and your guests. With over 4,600 square feet of flexible event and pre-function space our wedding venue can efortlessly build an event that brings your vision to life and comfortably accommodates 15 – 250 guests. Our experienced and attentive staff takes care of the details so you can enjoy every moment of your special day!