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.
Windstar Cruises 2017 & 2018. Windstar Cruises offers an elegant, intimate way of cruising with only 148 to 300 guests on the three luxury sailing yachts, Wind Surf, Wind Spirit and Wind Star and an all-suite power yacht, Star Pride. In 2015, two more power yachts, Star Breeze and Star Legend joined the fleet.