How often should the engine oil level checked on a boat?

The engine oil level on a boat should be checked regularly, ideally before each trip or at least once a week during use. It's important to check the oil level when the engine is cool and on a level surface for an accurate reading. Additionally, after long trips or heavy use, it's advisable to check the oil level to ensure it remains within the recommended range. Regular checks help maintain engine performance and longevity.