You can build a Junimo Hut in Stardew Valley by going to the Wizard's Tower and buying it from his Private Catalog. A Junimo Hut costs 20,000 gold, 9 Star Fruit, 200 Stone, and 100 Fiber.

Fan recreates tiny Junimo Hut in perfect likeness using polymer clay, capturing love for Stardew Valley. Community praises adorable creation, sparking love for Junimo. Artist plans more creations ...