It’s easy to find some­thing to do in and around Boston if you’re willing to spend money. But even if you’re keeping a close watch on your wallet, you can find lots of options to have fun in the city. Check out these sug­ges­tions for ways to enjoy the weekend without breaking the bank.

Free classic movies by Boston Harbor
Boston Harbor Hotel, 70 Rowes Wharf, Boston
Every Friday at dusk, the Boston Harbor Hotel shows classic movies on a large, out­door screen. The series kicks off tonight with the film noir classic “Laura,” con­tin­uing weekly through a Sep­tember 2 screening of “Raiders of the Lost Ark.”
More info: http://​www​.bhh​.com/​s​p​e​c​i​a​l​_​s​u​m​m​e​r​.​htm

Family movies along the Charles
Hatch Shell, Charles River Esplanade, Boston
The first film of the Mass­a­chu­setts Depart­ment of Con­ser­va­tion and Recre­ation and WBZ News­Radio 1030-​​sponsored “Free Friday Flicks” series, “Daddy Day Care,” starts at sunset. Bring your blanket and get a good seat under the stars at this river­side spot best known for the annual July 4th con­cert extrav­a­ganza. Which reminds us — the series will take a break over the 4th of July weekend, then pick back up July 15 with “Mega­mind.”
More info: http://​boston​.cbslocal​.com/​f​l​i​c​ks/

Free sailing on Boston Harbor
54 Lewis Wharf, Boston
Calling all sail­boat enthu­si­asts! Sit back and enjoy a calming boat ride, or try your hand at the rudder tomorrow, when the Boston Sailing Center holds its annual open house, between the hours of 1:00 p.m. and 5:00 p.m.
More info: http://​www​.boston​sail​ing​center​.com/​n​e​w​s​/​o​p​e​n​h​o​u​s​e​.​asp

Tour his­toric Jamaica Pond
Jamaica Pond Band­stand, Pond Street and Jamaic­away, Jamaica Plain
The Jamaica Plain His­tor­ical Society, which offers free tours of local sites each Sat­urday at 11 a.m., will offer a free 90-​​minute tour of Jamaica Pond tomorrow. The pic­turesque pond was once used for har­vesting ice for homes and busi­nesses across the city.
More info: http://​www​.jphs​.org/​2​0​1​1​-​h​i​s​t​o​r​i​c​-​w​a​l​k​i​n​g​-​t​o​u​rs/

Take dad to the zoo
1 Franklin Park Road, Dorch­ester
The Franklin Park Zoo, where the “The Zookeeper” (slated for a July 8 release) was recently filmed, is granting free admis­sion to dads on Father’s Day. Take the whole family and make dad pay — for everyone else.
More info: http://​www​.zooneweng​land​.org/