Matayoshi served as the Mayor of Hawaii County from 1974 to 1984.

From 1984 through 1988 he served on the council of Hawaii County and was its chair.

Hawaii County is twinned with five Japanese cities and one Philippines city.

He served as the Mayor of Hawaii County from 1988 until his death on April 12, 1990.

Hawaii County began electing a mayor in 1968 when the present form of charter government was instituted.

Hawaii County, $119.4 million of general obligation bonds.

The bay is now the site of a park of Hawaii County.

In 1996 she ran for Mayor of Hawaii County but lost.

Yamashiro left the council and announced his candidacy for Mayor of Hawaii County.

In 2004 he failed in an election bid for Mayor of Hawaii County.