The Marin County Board of Supervisors approved a controversial Point Reyes gas station renovation that will include five new units of housing and a convenience store that is twice the size sought by the project’s opponents.

The renovation, which the board approved 4-0 on Tuesday, includes a 1,700-square-foot convenience store—far larger than the 870-square-foot store approved in April by the county’s Planning Commission. West Marin supervisor Dennis Rodoni, citing state conflict-of-interest laws, recused himself from…