From Senator Ed Markey to select board chair Art Smadbeck, a mix of high-level politicians and local figures broke ground in Edgartown on the 70-bed, $68 million Navigator Homes elderly housing project intended to replace the Windemere Nursing & Rehabilitation Center on the Vineyard. “This is going to be a place that really helps families, and that cares for their loved ones in a way that is almost family-like,” Markey said.