Rivers Casino Portsmouth at https://www.riverscasino.com/portsmouth/meetings-and-events/weddings is the best place to host your next celebration with options from 40 to 1,000 to celebrate the most memorable and happiest day of your life in their spectacular ballroom! Attend Showbride’s Winter Bridal Expo on January 25th 2026! Get in free (share with your bridal party) at ShowBride.com using promo code: 3pm.