In the centre of town, the Boac Public Market is one of the town's landmarks. Vendors sell dry and wet products in four air-conditioned buildings. Transport terminals near the market carry goods to other barangays. It is considered to be the mini-supermarket of the province.
The poblacion area is called as Boac Central Business District (BCBD). The newly constructed two-floor Town Market with about 100 stores is in the heart of the poblacion.
Local fast food chains and restaurants include GoodChow Food Express, La Concha Restaurant, Kusina sa Plaza, Monserrat Pizza and many more.
Several convenience and grocery stores includes CASHypermart, New Era, Jinang-Tan, Centro Market and Puregold Boac (Marinduque) Branch.