Neptune Island Promo Codes & Coupons September 2026 — Up to 20% Off

All Valid Neptune Island Coupons & Discount Codes - Up To 20% OFF in September 2026

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About Neptune Island

https://www.neptuneisland.com

Neptune Island is a family-oriented water adventure located in Hartsville, South Carolina. The park opened on June 18, 2018. From mild to wild attractions, the undiscovered islands of Neptune Island will surely delight everyone in your crew. Water Park is owned and operated by the city of Hartsville. See all ways to experience Hartsville on VisitHartsvilleSC.com. Take Interstate 20 Exit 116. Follow the US-15N northeast toward Hartsville for 11.3 miles. Turn left and continue for 2.9 miles. At the intersection of US-15 N and SC-151, turn left into SC-151 N and continue for 1.5 miles. At the intersection of SC-151 and 14th Street, turn right and continue for 0.5 miles. Water Park is on the right.