The kids have become adults and your financial obligations are behind you. Or are they?
The kids may have graduated college, but are they financially independent? Do they have enough money to live on their own? Or will they need to return home as they reconsider their future?
Another consideration is your household's safety net. If you passed away, would your spouse be able to live comfortably and pay the remainder of the mortgage or keep the vacation home?
Now may be a good time to re-evaluate your current coverage.