Lakhota Palace and Museum sits on an island in Ranmal Lake, which makes it more memorable than the average regional museum before you even step inside. The old royal structure now holds displays connected with Jamnagar's rulers, sculpture, weapons, and local history.
It is worth visiting for the setting as much as the cases. Walk the lake edge, cross to the palace, and you get a compact introduction to Jamnagar's princely past without leaving the centre of town.