In Cove Cafe, the adult coffee bar. It isn't always full and the contents vary from day to day (I think based on previous night's left over treats).
They are complimentary, so you can grab a treat to go with your cafe mocha.
On the Westbound Panama cruise, Benita, the barista set aside some cookies for a group of us 'old geezers' many nights, as we'd pop in for some late night hot chocolate or end of the day adult beverage.
And in case y'all didn't know, there are good munchies in Diversions during the day too: hot dogs, wings, poppers and other assorted surprises.
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