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LOCATION
Marinduque Map
The province of Marinduque extends about 137 nautical miles from Manila between Bondoc Peninsula at the eastern portion of Luzon and Oriental Mindoro. It is bounded on the north by Tayabas Bay, northeast by Mongpong Pass, southeast by Sibuyan Sea and Tablas Strait at the west. Balanacan Port, the main entry point to the island is about 29 nautical miles from Lucena City while Gasan Port which links the island to Mindoro is about 30 nautical miles from Pinamalayan.

Marinduque lies in the Sibuyan Sea, somewhat blocking the North Verde Island Passage going to San Bernardino Strait (between Sorsogon and Samar, opening into the Pacific Ocean); and a little north of the Verde Island Passage going to Sulu Sea and Visayan Sea.
LAND AREA
The total land area of the province is 95,925 hectares. It is subdivided into six (6) municipalities, comprising two hundred eighteen (218) barangays. Listed below are the respective municipalities with their corresponding land area and number of barangays:
The Six Municipalities' Land Area & Number of Barangays
POLITICAL SUBDIVISION Mt. Malindig
The province is a lone congressional district and composed of six (6) municipalities namely Boac, the capital town, Buenavista, Gasan, Mogpog, Torrijos and Sta. Cruz.
TOPOGRAPHY
In general, Marinduque has largely undulated hilly and mountainous topography except in some coastal areas. The highest peak of the island is Mt. Malindig located in the southern tip of the island with an elevation of 1,157m. In the center of the island, mountains with elevation ranging from 600m to 800m run parallel from Northwest to Southeast.
Slopes
SLOPES
The landscape of the province is classified with the following six (6) categories of slope: 0%-3%, 3%-8%, 8%-15%, 15%-18%. The land suitable to paddy cultivation with slopes less than 3% is about 10% of the total land area. The topographically steep lands with slopes over 8% account for 38% and remain as reserved land for soil conservation and water retention. The respective areas can be seen in the table below:
Slopes Table
CLIMATE
The climate in Marinduque can be categorized as Type IV, a rainfall more or less evenly distributed throughout the year with no close boundary between dry and wet seasons.