15 things to do for Father's Day on LI

How to celebrate Father's Day? It can be puzzling whether your dad is 46 or 76. But the best present you can give him is spending time together. Here are 15 informal ideas for things to do with daddy-o this weekend.

1. GO CAR CRAZY

If your dad is a gearhead, drop by Planting Fields Arboretum State Historic Park in Oyster Bay for the New York AutoFest Father's Day Car Show and BBQ, 9 a.m.-5 p.m. Sunday for classic cars, live music and barbecue. ($5 a person, free younger than 12, $20 for a show car), 516-882-5022, nyautofest.com)

2. ROCK THIS WAY

Rock out with your dad to the sounds of Aerosmith, Led Zeppelin and Rush with a trifecta of tribute bands -- RagDoll, LedZep Band plus Snakes and Arrows 9 p.m. Saturday at Revolution Bar and Music Hall in Amityville. ($12, 631-264-7712, revolutionli.com)

3. BEER HERE

Let dear ol' dad get a guided peek at how Port Jeff Brewing Co. makes its product at 4 p.m. Saturday -- then hop over to the tasting room to sample some seasonal flavors. (877-475-2739, portjeffbrewing.com)

4. GOOFY GOLF

Tired of the same ol' pitch and putt? No problem. The kids can take Pop to Monster Mini Golf in Deer Park to experience miniature golf in a glow-in-the-dark cartoon cemetery setting. ($8-$9, 631-940-8900, monsterminigolf.com)

5. COOL POOL

Take Dad to Guys and Dolls Billiards Lounge in Valley Stream to shoot some stick while enjoying signature cocktails like the Lime Cher-rikki or Banana Splitini. (516-825-8822, guysanddollsbilliards.com)

6. SPECTOR'S OLDIES

Set up Dad for an evening of classics from "Jersey Boys" star Jarrod Spector as he delivers hits from Paul McCartney, Frankie Valli, Elton John and more at the Landmark Theater in Port Washington at 8 p.m. Saturday ($47-$52, 516-767-6444, landmarkonmainstreet.org)

7. GO TO FLO'S

Let your father ditch his diet for the day and enjoy some old-school treats at Flo's Famous Luncheonette in Blue Point. He can dive into a chili cheese dog and loaded waffle fries, then wash 'em down with an egg cream. (888-356-7864, flosfamous.com)

8. BATTER UP

Pull Dad from the couch and give him a workout in a batting cage. Watch as he dusts the rust off his swing when he swats away at Batting 1,000 in Freeport. ($30 for a half-hour, $50 an hour, 516-801-1277, batting1000academy.com)

9. PUFF AWAY

Don't tell Mom. But if Dad's the type who enjoys a fine cigar from time to time, take him to Goodfellas Cigars in Medford, where he can choose from 300 varieties and relax in the lounge with a flat-screen TV. (631-714-5900, goodfellascigarsny.com)

10. JOURNEY TO MAC

Can't get Journey or Fleetwood Mac tickets for Dad? Don't fret. Take him to The Paramount in Huntington at 8 p.m. Saturday to catch the next best thing -- tribute acts Voyage and Fleetwood Macked. ($15-$35, 631-673-7300, paramountny.com)

11. GET FIT

For the active dad who likes to stay in shape: Head to the Universal Fitness Expo at Nassau Coliseum

9 a.m. to 10 p.m. Saturday and 9a.m. to 6 p.m. Sunday. Compete in the civilian military combine obstacle course or check out the latest in clothing, gear and supplements. ($11 plus $8-$12 parking, 877-554-3976, universalfitnessexpo.com)

12. WINE TIME

Take Dad out East for a walking tour and wine tasting at Castello di Borghese Vineyard and Winery in Cutchogue at 1 p.m. Saturday. See how the grapes are grown, then sip wine samples in the tasting room. ($20, 631-734-5111, castellodiborghese.com)

13. PA RULES

If your father is so hip that he's into hip-hop, take Pop to Ja Rule at The Emporium in Patchogue for the 9p.m. Saturday show. Watch this Queens rapper bust out hits "Holla Holla" and "Mesmerize." ($25 at the door, $22 in advance; 631-627-8787, theemporiumny.com)

14. LATE FLICKS

Take in a late-night double feature with your dad when Cinema Arts Centre in Huntington presents "The Sugarland Express" and "Badlands" at 10:30 p.m. Saturday ($13, 631-423-7611, cinemaartscentre.org)

15. BBQ ON THE BEACH

Give you dad a bellyful of barbecue at Swingbellys in Long Beach, where he can dine on the deck and be up to his neck in ribs, wings, pulled pork and brisket. Don't forget the fried pickle chips -- or the post-dinner walk on the boardwalk to burn it off (516-431-3464, swingbellysbbq.com).