The wide front porch of the Shipman House Bed and Breakfast looks out over a green canopy of trees, with Hilo Bay barely visible through the foliage. “So. Let’s do hula,” Maile Yamanaka said.

Starting this month, visitors looking to stay at the Shipman House Bed & Breakfast Inn on Hawaii's Big Island are being asked to book stays of at least two nights. What prompted the change ...