John King, chairman of the Marsden Cross Trust Board, said the Smithsonian was always going to be hard to beat.
"However it was a great success for our website to be one of the five finalists from around the world," he said.
Rangihoua Heritage Park was opened in 2014 and protects the site of New Zealand's first European settlement, set up under the protection of chiefs Ruatara and Te Pahi, Ruatara's pa, and the site of the first recorded Christian service in New Zealand, on Christmas Day in 1814.
Rangihoua Heritage Park brings together land owned or managed by the Department of Conservation, Ngati Torehina's Rangihoua Native Reserve Board and the Marsden Cross Trust Board. The trust board is made up of descendants of the first European settlers plus Anglican Church representatives.
In 2015 a rammed earth and carbon-fibre building called Rore Kahu, which marks the start of a pilgrim's trail through the park, was a finalist in the World Building of the Year awards.
The Webby Awards were founded in 1996. Judging is by the International Academy of Digital Arts and Sciences, which has more than 2000 members. The 2017 winners were announced on April 25.
■ Got to www.rangihouaheritage.co.nz/full-tour#1 to take the digital tour.