Looking for that special place to purchase custom build aquariums, coral, sumps, saltwater fish, macro algae or saltwater tank supplies? Be sure to check out Saltwater Underground, located at 320 Federal Street below the Blue Mountain Mercantile, Bluefield, WV. Hours: Tuesday, Wednesday, Thursday and Saturday 10:00 am – 5:00 pm. Friday: 10:00 am – 7:00 pm. Contact information: (304) 952-2847. Email:email@example.com or check them out on Facebook: saltwater underground@undergroundreef.