Tom Ham’s Lighthouse, a Harbor Island mainstay since 1971, is in the midst of a $3.5M renovation, with a reopening set for May. Changes will include a new outdoor deck facing the waterfront.

Tom Ham’s Lighthouse, a Harbor Island mainstay since 1971, is in the midst of a $3.5M renovation, with a reopening set for May. Changes will include a new outdoor deck facing the waterfront.

Locally based restaurant operator Shelter Island Inc...