Here are the latest South Boston neighborhood notes:

Book sale

The Friends of the South Boston Branch Library will host a summer book sale from 10 a.m. to 3 p.m. on Saturday, Aug. 19 at the library, 646 East Broadway.

The sale will feature lots of adult and juvenile books and audio-visual materials at low prices. Proceeds will benefit the community programming of the library.

Call 617-268-0180 for more details.

Bluegrass on the harbor

The John Joseph Moakley Courthouse, 1 Courthouse Way, will host a free outdoor summer concert in the Harbor Park at 12:30 p.m. on Tuesday, Aug. 22.

The duo Splinters, consisting of J Johnson, mandolin and vocals, and Chris Reckling, guitar and vocals, will play bluegrass, fiddle tunes, swing and Americana music, adding their own unique spin to the classics.

Visit www.moakleycourthouse.com or call 617-261-2440 for more details.

Starring Glenn Ford

Films starring ’40s and ’50s leading man Glenn Ford will be screened from 1 to 3 p.m. on Tuesdays, Aug. 22 and 29 at the South Boston Branch Library, 646 East Broadway.

Featured will be the drama “The Blackboard Jungle” with Sidney Poitier on Aug. 22 and the comedy “The Gazebo” co-starring Debbie Reynolds the following week.

Call 617-268-0180 for further information.

Harbor walk sounds

Berklee College of Music and the Institute of Contemporary Art, 100 Northern Ave., will present a HarborWalk Sounds concert with vocalist Naïka from 6 to 8:30 p.m. on Thursday, Aug. 24 on the museum’s Putnam Investment Plaza.

Floridian singer-songwriter Naïka’s music combines powerful vocals, prizewinning lyricism, world music, pop and soul.

Admission is free. Call 617-478-3103 or visit www.icaboston.org for more information.

Boston Harbor Islands

The Highland Street Foundation will offer free ferry transportation to Spectacle Island and Georges Island on Friday, Aug. 25 as part of its Free Fun Fridays celebrations. The ferries will depart from Long Wharf, 408 Atlantic Ave.

Visitors can explore historic Fort Warren on Georges Island or walk Spectacle Island’s sandy beaches and winding trails. Tickets are first-come, first-served and limited to parties of four or fewer, with no advance reservations. Tickets will become available starting at 8 a.m. at the Boston Harbor Cruises Ferry Center at Long Wharf North.

For more information, visit www.bostonharborislands.org or call 617-770-0040.

Family day

The Institute of Contemporary Art, 100 Northern Ave., will host a free family day, “Seaside Adventures,” from 10 a.m. to 4 p.m. on Saturday, Aug. 26.

Families can soak up the waning summer, bring a picnic, relax on the ICA grandstand overlooking Boston Harbor and try outdoor family yoga and sketching activities for all ages. There will also be gallery games and family pop-up talks, painting scenes of the sea en plein air and a concert by the Farewells at 1:30 p.m.

Admission is free for two adults per family with children under 12 years old. Registration is not required.

Further information can be found at www.icaboston.org or by calling 617-478-3100.

Concert at Castle Island

Berklee College of Music, WUMB 91.9 FM, UMass Boston and the Department of Conservation and Recreation have teamed up to bring free live music to Castle Island on Day Boulevard from 2 to 4 p.m. on Saturday, Aug. 26.

Musical genres will blend between folk, bluegrass, and pop. Attendees can swim at Pleasure Bay, enjoy a free tour of Fort Independence between noon and 3:30 p.m. with the Castle Island Association or enjoy a picnic in the shade. The featured artist will be jazz and blue artist Colescott Rubin. Rain may cancel the show.

For more information, call 617-698-1802, ext. 217.

Island cleanup

The Boston Harbor Islands will host a Stewardship Saturday from 9 a.m. to 3 p.m. on Saturday, Aug. 26 on Grape Island.

Volunteers will join park stewards to work with the Massachusetts Department of Conservation and Recreation to clean up the island from winter damage and get it ready for a season of camping, hiking, kayaking and habitat restoration.

The work will involve trail maintenance and debris management. Participants should wear layers for the weather and closed-toe shoes and bring a water bottle and lunch. Tools will be provided.

To register, visit www.bostonharborislands.org or call 978-360-0421.

New art exhibitions

The Moakley U.S. Courthouse, 1 Courthouse Way, is hosting special exhibits now through Friday, Sept. 29.

The HarborPark Exhibit features paintings by Esther Porcenat Helas and Shakya Davis Witkowski, the Atrium exhibit is displaying “In Search of Open Spaces” by Lena McCarthy and “Loomings,” oil paintings by Christopher Volpe, are on display in the Front Lobby exhibit hall.

Gallery hours are from 8 a.m. to 6 p.m. Monday to Friday. A photo I.D. is required to enter the courthouse.

Visit www.moakleycourthouse.com or call 617-261-2440 for further information.

Tall ships photography

The South Boston Library, 646 East Broadway, is exhibiting works by local photographer Gerrie O’Brien now through Aug. 31 during library hours.

The display features captivating photographs of the June “Parade of Sail,” as the tall ships sailed past O’Brien’s viewpoint on Castle Island.

For further information, call 617-268-0180.

JFK centennial exhibit

The South Boston Library, 646 East Broadway, is displaying the John F. Kennedy Centennial exhibition now to Aug. 31.

The display celebrates the centennial of the birth of the 35th American president and famous son of Massachusetts with a display of images from his life and presidency.

Admission is free. Call 617-268-0180 for more details.

Farmers’ market

The South Boston farmers’ market is being held from noon to 6 p.m. on Mondays until Oct. 23 at 446 West Broadway, the municipal parking lot.

Local vendors will sell flowers, herbs, locally produced honey, baked goods, fresh fish, crafts, housewares and local farmers’ produce.

Call 617-464-5858 or send an email to marosher@sbchc.org for more information

Pop-up art talk

A pop up talk will be held from 6 to 8 p.m. on Fridays in the fourth floor galleries at the Institute of Contemporary Art, 100 Northern Ave. The talk will introduce visitors to a different perspective of contemporary art from individuals who study the exhibitions every day. The visitor assistants (VAs), wearing “Ask Me” buttons, will give 15-minute talks in front of works of art.

Tickets are free with museum admission.

Visit www.icaboston.org or call 617-478-3103 for further details.