S.D. Codified Laws § 43-7-3 (2026)
Every estate of inheritance is a fee, and every such estate, when not defeasible or conditional, is a fee simple or an absolute fee.
Source: CivC 1877, § 219; CL 1887, § 2735; RCivC 1903, § 242; RC 1919, § 312; SDC 1939, § 51.0404.