KENNEBUNKPORT — Secret Gardens of Kennebunkport: a fundraiser for Graves Memorial Public Library. Saturday, July 20, 10 a.m. to 4 p.m. Eight homeowners have agreed to open their private gardens for this one day only to benefit the local public library. $40 per person provides a map and an opportunity to spend the day strolling through enchanting seaside, backyard, and cottage gardens offering colorful floral displays amid a variety of natural settings. Advance tickets can be purchased at the library (18 Maine St.) or online: Day of the event tickets will be sold at Kennebunkport Consolidated School (25 School St.). For more information, call 967-2778.