Melville Grille 1 Lagoon Rd, Portsmouth, RI02871 Melville Grill is located in East Passage Yachting Center and features outdoor tables with views of the water and…More some of Portsmouth's most treasured "toys." (the boats) The restaurant is open to the public and has its own free parking lot. Along with crisp and comfortable marina themed decor, The Melville Grille offers tasty seafood, salad and pasta dishes. It large bay windows overlook the water. A full bar is available as well as a pool table.