Marinduque (Tagalog pronunciation:[marinˈduke]) is an island province in the Philippines located in Mimaropa (Region IV-B) region. Its capital is the municipality of Boac. Marinduque lies between Tayabas Bay to the north and Sibuyan Sea to the south. It is west of the Bondoc Peninsula of Quezon province; east of Mindoro Island; and north of the island province of Romblon.