Sextant
From MHWiki
Description
Essential for navigating the ocean this sextant is sure to come in handy when searching for new hunting grounds and is an essential part of any navigation kit.
Dropped By
Sextants have been found to be dropped by the Shipwrecked Mouse in the S.S. Huntington II. The drop rate, as of yet, is unsure, although it seems to be much less then the rates of the Compass and Telescope.