Like most early explorations, mainly Spaniards, Drake's harbor was not marked by a large, permanent marker that could be found by future visitors. Instead, smaller pieces of physical and documentary evidence lead to the identity of Drake's landing site. Scholars find uncertainty over Drake's landing site "a little strange since most of the voyage and layovers are described in such satisfying detail by Francis Fletcher." The pieces of evidence include
Eleven keys
1. The bay is within one-half degree of 38 degrees or 38 degrees, 30 minutes north latitude. 2. The bay is in Coast Miwok territory. 3. Islands of Saint James are not far without the bay. 4. There is no strait leading into the continent, nor currents at sea suggesting one. 5. White banks and cliffs resemble counterparts along the English Channel. 6. The climate was cold, very foggy and windy from 27 June through 2 August. 7. The bay is the second in a charted sequence of two bays when traveling south. 8. Drake found the bay unexpectedly, as by godsend and "fell with" a harbor within the bay. 9. The bay faces south, with depths from six to eight fathoms within a prominent point, diminishing gradually to three fathoms on a course leading northeasterly into the bay toward an anchorage off a river or estuary in the north end. 10. A fertile and hospitable inland region contrasts sharply with the barren, cold and foggy haven at the shore. 11. Artifacts attributable to the Drake expedition are in Native- American village sites. Drake's Cove in Drakes Bay fits these criteria.
The three most important keys
Robert Allen recognizes three of these items as the keys that identify the location of Drake's landing site: 1. "A latitude of 38 degrees was given six times in contemporary accounts as the latitude where Drake came ashore." 2. "Not farre without this harborough did lye certain lands " The only islands in the vicinity of 38 degrees north latitude are the Farallon Islands. They are visible only as far north as Point Reyes. Upon leaving his landing site, Drake was reported "from thence setting his course southwest." Working backwards, from the Farallon Islands, heading northeast, takes one directly into Drakes Bay. 3. "White bancks and cliffes, which lie toward the sea" are prominent features of Drakes Bay. The cliffs face both south and west, "toward the sea." These are similar to the white cliffs of Dover along the English Channel, hence the name "Nova Albion."
Additional keys
recognizes ten specific additional keys beyond the eleven, above: 12. Agreement with the Dudley Charts 13. A Fair and Good Bay 14. Indian Houses Close by the Waterside 15. No Choice of Havens 16. Flora and Fauna 17. Agreement with the Hondius Portus Novae Albionis Inset 18. Indian VillageThree Quarters of a Mile from Encampment 19. Hills in Relation to Encampment 20. The Nature of the Fort 21. Relation of the Montanus Engraving.
Additional keys
22. Further exploration of the area was a hike inland. 23. The area is suitable to the requirements of careening and ship repair. 24. There is abundant supply of stone for the fort's "bulwarks". 25. The site is in the area of the first finding of the Plate of Brass. 26. The area abounds in foods of the types mentioned in the contemporary accounts and offers an adequate supply of water and food. 27. The cove area is sufficiently extensive to accommodate the expedition. 29. The water visibility enabled the Indians, when they "chanced to see a fish so see a fish so neare the shoare that they might reach the place without swimming, they would never or very seldom miss to take it."
