Plain coconut water is literally just the water on the inside of a coconut. So if you can get coconuts at your grocery store you can get coconut water. I also found this recipe on how to extract and flavor the water: http://www.eatnapplay.net/2013/03/04/make-your-own-coconut-water/.
About Celebrity Solstice. Celebrity Solstice is a large ship, carrying 2850 passengers and 1246 crew, and sails from Sydney, Australia and Auckland, New Zealand.
December Solstice (Winter Solstice) is on Thursday, December 21, 2017 at 11:27 am in Washington DC. In terms of daylight, this day is 5 hours, 28 minutes shorter than on June Solstice.