$10.00. Menu for Ria Mar Restaurant & Bar Appetizers Soup of the day $3.00 Bacon Wrapped Chicken. Cherry Pepper Shrimp. $9.00 Clams in Garlic Sauce. Clams in Green Sauce. Ria Mar, South River: See 147 unbiased reviews of Ria Mar, rated 4 of 5 on Tripadvisor and ranked #4 of 27 restaurants in South River. Enter your address We'll confirm that you can have this restaurant delivered. Clams in Garlic Sauce. More than twenty years later, we're grateful to all our guests who have made Ria Mar their home. 1 review 1 photo. 4 reviews. $10.00 Clams in Green Sauce. Appetizers (Lunch) Bacon Wrapped Chicken. Appetizers (Lunch) Fish (Lunch) Shellfish (Lunch) Meats (Lunch) Appetizers (Dinner) Fish (Dinner) More. Menus. Located in Middlesex County, Ria Mar has been serving traditional Portuguese cuisine with a modern twist, unforgettable flavor, and friendly atmosphere for over 20 years. 1 review. $12.00. Ria Mar was created with the idea of bringing great Portuguese Cuisine, the finest service, and the fairest prices to Middlesex County. Ria Mar Restaurant Restaurants 25 Whitehead Ave. , South River NJ 08882 | (732) 257-1100 | ria-mar.com Menu Our menu features great and original recipes by Manuel da Silva who opened this kitchen in 1987. $12.00. $12.00. Local restaurants delivered in 45 minutes . More.