Two Gold Rings: Unity of Municipality's constituents.
Shield: From the Provincial Seal of Marinduque where the town is located.
1807: Year when Municipality was founded.
Moryon Mask: Original Moryon (called "bulaklakan") which originated in Mogpog in 1807 and made Mogpog as well as Marinduque well-known in the Philippines for its annual Moryonan/Moriones Festival, a festival of prayer, thanksgiving and well-being of an individual.
Coconut: Copra as main product of Mogpog.
Rice Stalks: Agriculture, comprising 56% of labor force of the Municipality.
Fish: Main source of livelihood in coastal Barangays.