Partulina splendida is endemic to West Maui,[2]  and commonly found in three general areas: Panaewa, Kaulalewelewe, and Hanaula.

[3] It inhabits diverse habitats within these areas, including forest and shrublands.

[4] Partulina splendida shells has a smooth texture with a whorl shape, featuring swirling colors of brown and white.

[5] As of July 7, 1990, the species' conservation status remained as G1 indicating rarity.

[3]This collective assessment underscores the species' global endangered status.