Tuluwat Island

Gunther Island Site 67
National Register of Historic Places marker on Woodley Island in foreground, Tuluwat Island on other side of channel.
LocationAddress restricted
Nearest cityEureka, California
Coordinates40°48′36″N 124°10′12″W / 40.81000°N 124.17000°W / 40.81000; -124.17000
Area280 acres (1,100,000 m2)
NRHP reference No.66000208
Significant dates
Added to NRHPOctober 15, 1966
Designated NHLJuly 19, 1964

Tuluwat Island (formerly Indian Island or Gunther Island) is located on Humboldt Bay within the city of Eureka, California. The 1860 massacre of the Wiyot people was perpetrated in the village of Tolowot or Tuluwat on this island. A National Historic Landmark encompasses the midden at Gunther Island Site 67. Since October 21, 2019, the Wiyot Tribe have had the land deed to almost all of the island.