Martin d'Aguilar was a Spanish

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 explorer

Exploration

Exploration is the act of searching or traveling around a terrain for the purpose of discovery of resources or information. Exploration occurs in all non-sessile animal species, including humans...

 whose log contains one of the first written descriptions of the coast

Oregon Coast

The Oregon Coast is a region of the U.S. state of Oregon. It runs generally north-south along the Pacific Ocean, forming the western border of the state; the region is bounded to the east by the Oregon Coast Range. The Oregon Coast stretches approximately from the Columbia River in the north to...

 of the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Oregon

Oregon

Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

.

Aguilar was the commander of the ship Tres Reyes in an expedition led by Sebastián Vizcaíno

Sebastián Vizcaíno

Sebastián Vizcaíno was a Spanish soldier, entrepreneur, explorer, and diplomat whose varied roles took him to New Spain, the Philippines, the Baja California peninsula, the California coast and Japan.-Early career:...

. Vizcaíno set out from Mexico in 1602 in search of usable harbors and the mythical city of Quivira

Quivira and Cíbola

Quivira is a place first mentioned by Francisco Vazquez de Coronado in 1541, who visited it during his searches for the mythical "Seven Cities of Gold". The location and identity of the "Quivirans" has been much debated over a wide area, including Kansas, Nebraska, and Missouri...

. While exploring along the northern California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 coast, a storm separated Vizcaíno and Aguilar's ships. While Vizcaíno may have reached the present Oregon-California border, Aguilar continued up the coast. He may have only reached latitude of the present-day Coos Bay

Coos Bay

Coos Bay is an S-shaped inlet where the Coos River enters the Pacific Ocean, approximately 10 miles long and two miles wide, on the Pacific Ocean coast of southwestern Oregon in the United States. The estuary is situated south of the Salmon River. The city of Coos Bay, once named Marshfield, was...

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Aguilar reported sighting a "rapid and abundant" river that he did not enter because of the current. He then returned to Mexico because of scurvy

Scurvy

Scurvy is a disease resulting from a deficiency of vitamin C, which is required for the synthesis of collagen in humans. The chemical name for vitamin C, ascorbic acid, is derived from the Latin name of scurvy, scorbutus, which also provides the adjective scorbutic...

among his crew. It is unknown what river he sighted, but maps referred to the "Rio d'Aguilar" in the 18th century. No deliberate exploration of the Northwest Coast occurred again until some 150 years after Aguilar, though accidental sightings and shipwrecks were possible.