The scene of Jin and Sun's engagement in Episode 1x6, House of the Rising Sun was filmed at the Byodo-In Temple, which is located in the Valley of the Temples off of the Kahekili Highway (83) in Kane'ohe. This is a bypass road that allows you to travel north to the shoreline of East Oahu.

Source: Fischer, John. In Search of Filming Locations for ABC's Lost. Hawaii / South Pacific for Visitors.

Go to: Lost Trivia Fact 31