BF and I are on a roll. We seem to be hitting the few restaurants in Westport that are on the water. We recently went to Napoli Sul Fiume located on Riverside Avenue. The restaurant has outdoor dining available if you'd like to overlook the Saugatuck River. It was a nice late afternoon dinner... but perhaps too early for dinner. Our food was fine, but the service left us wondering if we were seated before the kitchen was even open.
The view was very nice, though. Go give it a try and tell me what you think. Just go at a respectable hour for dinner - and not something to be confused with a late lunch.