We've used Riteway and CC together on trips. But mostly food from Riteway - liquor, water etc. from CC.
As for mixers and juices, other than a few bottles of Ting, we don't use much of the other stuff except for gallons and gallons of water. Juices only come in large cans which is a pain in the fridge with no way to close them up. Clean, straightforward liquor & wine on the boat - painkillers we order from the beach bars :-)
Since we're staying in CGB pre charter we will definitely check out Columbus Sunset.