20686 Saint Marys City, MD is a small town located in St. Mary’s County. The 2 bedroom rent in the city is $1,560, which is slightly more than the average US 2 bedroom rent of $1,430. Additionally, the Grocery Cost Index of 107 in this area is higher than the national index of 100. Popular local companies in the area include Great Mills Trading Post and J-W Marine Services Inc., each offering unique services to locals. Rent affects our lives by directly impacting how much of our income we can allocate towards other purchases like groceries and other amenities. In 20686 Saint Marys City, MD specifically, locals may have to work a bit harder to balance their budgets due to higher rental prices.