This semi-upright sport of H. 'August Moon' is a medium size (17 inches high by 37 inches wide) cultivar from Vic Santa Lucia of North Carolina which was registered on his behalf by Kevin Walek (Hosta Registrar) in 2009. The foliage is light golden yellow with a narrow chartreuse colored marginal variegation. Its leaves are unruly, moderately corrugated, broadly ovate and dull on top. Pale lavender flowers bloom in July.

According to a Google search, Lunar Sea is also the name of an album by the British progressive rock band Camel released 24 July 2001.