The Hobe Sound National Wildlife Refuge, a part of the United States National Wildlife Refuge System, is a refuge on Jupiter Island in Florida. Its official name as of 2019 is the Nathaniel P. Reed Hobe Sound National Wildlife Refuge. Part of the refuge is inside the town of Jupiter Island, while the rest is in the unincorporated areas of Martin County. The 1,035-acre (4.19 km2) refuge was established in 1969, to protect the loggerhead and green sea turtles. It is administered as part of the Arthur R. Marshall Loxahatchee National Wildlife Refuge.