Placed along the road to Pu'uhonua O Honaunau National Historical Park in Hawaiian, "iki" means "small" or "little". Therefore, "Ke'ei Iki" likely refers to the smaller of the two land divisions known as Ke'ei, located in South Kona on the island of Hawaiʻi.
You should not need a hint. If you need a hint, beware that the hint is actually exact instructions.