Blu Thua JS-J d9-1 is a quadruple Earth-like world and quadruple water world system. It's only 2,475.55 ly from Sol. This makes it not only a rarity, but also close enough to human inhabited space to be considered a major colonization and tourism candidate. It was first discovered by CMDR TarkLark.
It's located at these coordinates: 694.15625 / 583.5625 / 2303.46875.