Guesthouse on Girod recommends the following restaurants located in the immediate Old Mandeville area. They are listed based on the occasion and are all within walking distance.
Dinner - The Lakehouse, Hambone, Nuvolari's, Rips
Lunch - Hambone, Old Rail, Rusty Pelican, McClain's Pizzeria
Sunday Brunch - The Lakehouse, La Lou
Breakfast - La Lou
Desert - Blent, The Candy Bank, Reigers on the Trace
Healthy Meals - Blent, Reigers on the Trace
Kid Friendly - Hambone, The Beach House, McClains Pizzeria
Wine - Grapeful Ape
Beer - Old Rail Brewery, Barley Oak
Want to explore the history of Old Mandeville? Check out the link below that takes you to the City of Mandeville's Historic Mandeville page.
There are so many wonderful things to do in Old Mandeville so below is a great page called louisiananorthshore.com. It has information on every activity you could possibly want to do while on the Northshore.