A new and distinct Echeveria cultivar named ‘Sea Dragon’ is disclosed, characterized by rosettes comprised of wide aqua colored leaves with a single large carnunculation. Leaf margins are highly anfratuous and colored rose pink. Foliage shape is spatulate with a large distinctively orbicular upper section. The new variety is an Echeveria, part of the Crassulaceae complex that includes Aeonium, Crassula, Graptopetalum, Pachyphytum, Sedum and others. Echeveria is a popular genus, typically produced as container plants for the patio or as landscape plants, as a variety of ornamental purposes.