Here is a still relevant article on marine spills from 2019 by KRAA cottager and board member, Andrew Hurlbut. Hopefully, it’s never something any of us has to deal with but knowing what to do is always good (i.e. Call Coast Guard Environmental Response at 1-800-265-0237 for spills). Since boat owners are responsible for any spills, do check with your insurer what your coverage is in this area: