Daily News from New York, New York • 49

SIDESHOWS Spectacles Arnie Mig's Serenaders in Blue play the sounds of the big bands during a special performance at Forest Park's Seuffert Bandshell. tomorrow at 7:30 p.m.; Woodhaven Blvd. at Forest Park Drive. Rain location is Monsignor Mulz Hall. 83-14 Jamaica Woodhaven.

Free. 0 The sixth annual Third Ave. Summerfest features the usual street fair highlights: vendors, entertainment food, games. Sunday from 1 1 a m. to 6 p.m..

from 42d to 57th Sts. Jazz piano legend Dave Bru-beck performs at the South Street Seaport Museum's Sum-merpier series. Tomorrow at 8 p.m.. Pier 16. Bring chairs or blankets.

Free. The Folio Club series continues with a reading by Augustin Rodriguez from the play Full Moon Killer." written by Ste-phan Balint Sunday at 10 p.m., Bernard Steve's restaurant. 277 Church south of White St Admission is S3. Reservations suggested: (212) 966-9331. i 1 I a- ft is I 1 A rh 1 fill '111 1 i A A i iin); i F1 In I 1 (' r.i I i 8 5 1 it 3 Tours "1 I mini ii i nfO in" i ir i New Vorkvs Enchanted Isiand MX Adventure on a Shoestring leads a walking tour of the Turtle Bay area, an elegant east 40s neighborhood.

Sunday at 3 m. $5. For meeting place and reservations: (212)265-2663. Sidewalks of New York's Beverly Hills East walking tour passes through exclusive neighborhoods searching out the homes of elusive celebrities. Tomorrow at 6 pm.

Meet at the corner of Park Ave. and 50th near the Waldorf Astoria. $10. (212) 517-0201. tin SEVERAL MILLENNIA AGO, A PIECE OF SE- renity broke away from Martha's Vineyard and floated down the East Coast.

Offshore breezes guided it gently into Long Island Sound, before it finally settled a few hundred feet off the Bronx. How else can one explain the existence of City Island, a gentle oasis in a desert of concrete and steel? Each summer, the island's population is swelled by visitors convinced they'd just gone through a time warp; the 230-acre collection of Vic torian homes, weathered bungalows, marinas, quaint shops and restaurants resembles Li'l Old New England more than it does Li'l Old New York. A sole bridge connects the mainland with the isle. The BX-12 bus hooks with the BX-29 (which actually goes onto the island), from these locations: A train's 207th St stop, the and No. 4 trains' Fordham Road stops and the No.

I 225th St stop. The BX-29 meets the No. 6 at the Pelham Bay stop. It's a great place to eat or just to feast your eyes. Kids ft rS AHOY: Popeyes going to sea this 1 (T weekend with Floating I 1 KtJ Cinema (well, at least Kids can help put together hat might become the world's largest jigsaw puzzle while learning about animal care at the Bronx Zoo.

Today through Sunday. 10 am. -5 p.m. There will also be entertainment games and give-aways. Admission is S2 kids.

S5.75 adults (212) 220-5197. the children's theater group, kicks offits summer season with the new musical "Rabbit Sense." Performances are today at 11 a.m. tomorrow and Sunday at 1 3 p.m. Tickets are $5 kids. $7 adults.

Call 212-627-1732 for information. 120 W. 28th between Sixth Seventh Aves Illusionist Jarrett Parker blends music and magic in his new show recommended for kids of all ages. Sundav at 3 m. The Ballroom.

253 XV. 28th (212)244-3005. Adult tickets are $15 Kids under 12: $10 Dan Butjerworth and his marionettes perform at the Staten Island Children's Museum. Sunday at 2 p.m. Show is $2 plus S2 museum admission.

Snug Harbor. 1000 Richmond Terrace, S.I. (718) 273-2060. Ken Levy and John Carlson perform at Pips Magic Matinee. Sunday at 1 3 m.

2005 Emmons Bklyn. $6 50. To reserve, call (718)646 9433. Helen Peterson i to FORWARD WITH NEW YORK: The Unes Dance Co. makes its BigAppie debut at Prospect Park, Sunday.

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