Spacious Accommodations Riverside Retreat-Riverfront House in Groton offers a spacious holiday home with four bedrooms and two bathrooms. Guests enjoy sea views, air-conditioning, and a terrace. Outdoor Amenities The property features an outdoor fireplace, laundry service, outdoor seating area, picnic area, and sun terrace. Free WiFi is available throughout the property. Local Attractions USS Nautilus Memorial is a 5-minute walk away, while the Submarine Force Museum lies 1640 feet nearby. Mystic Seaport is 9.3 mi from the property. Guest Favorites Guests appreciate the scenic location and convenient setting.