We give a classification of fully supersymmetric chiral ${cal N}=(8,0)$ AdS$_3$ vacua in general three-dimensional half-maximal gauged supergravities coupled to matter. These theories exhibit a wealth of supersymmetric vacua with background isometries given by the supergroups OSp$(8|2,mathbb{R})$, F(4), SU$(4|1,1)$, and OSp$(4^*|4)$, respectively. We identify the associated embedding tensors and the structure of the associated gauge groups. We furthermore compute the mass spectra around these vacua. As an off-spin we include results for a number of ${cal N}=(7,0)$ vacua with supergroups OSp$(7|2,mathbb{R})$ and G$(3)$, respectively. We also comment on their possible higher-dimensional uplifts.
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