P.S. 321 Flea Market
Flea market3.8(78 Google reviews)P.S. 321 Flea Market is a flea market in Park Slope, NY. You’ll find it at 180 7th Avenue between 1st and, Park Slope, NY. It’s one of 7 secondhand and resale shops we track in Park Slope.
Hours are listed below as the store posts them; they can change seasonally, so call ahead before a long drive.
Flea markets gather many independent vendors, usually on set days, with cash and haggling still the norm. Vendor turnout varies with weather and season, so the schedule listed here is the day to plan around.
Shoppers rate it 3.8 out of 5 on Google across 78 reviews. 6 more secondhand shops are within driving distance, listed below, so it can anchor a longer thrifting circuit.
⭐ See the best thrift stores in Park Slope, ranked by reviews
Store information
- Address
- 180 7th Avenue between 1st and, Park Slope, NY
- Hours
- Saturday,Sunday 9:00 AM – 5:00 PMHours can change — call ahead to confirm.
- Phone
- +1-917-933-5050
- Website
- ps321.org/flea-market
Before you go
- Arrive early for selection or late for prices — vendors discount in the final hour rather than pack items up.
- Bring small bills; many vendors still don’t take cards.
- Haggling is expected, but start reasonable — a fair offer is usually accepted, a lowball ends the conversation.
- Sunday hours are on file (9 AM – 5 PM), so it fits a weekend circuit.
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Life Boutique Thrift
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Life Vintage Boutique & Thrift
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1 of a Find Home
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🎒 What to Bring Thrifting →
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🏺 How to Price Antiques and Collectibles You Find at Thrift Stores →
A research method for valuing old things: identifying marks and makers, finding sold comparables, grading condition, weighing rarity against demand, knowing when an appraisal is worth paying for, and avoiding reproductions.
Frequently asked questions
Where is P.S. 321 Flea Market located?
P.S. 321 Flea Market is located at 180 7th Avenue between 1st and, Park Slope, NY.
What are P.S. 321 Flea Market’s hours?
Listed hours: Saturday,Sunday 9:00 AM – 5:00 PM. Hours can change — call ahead at +1-917-933-5050 to confirm.
Is P.S. 321 Flea Market open on Sunday?
Yes — P.S. 321 Flea Market lists Sunday hours of 9 AM – 5 PM.
What kind of store is P.S. 321 Flea Market?
P.S. 321 Flea Market is a flea market in Park Slope, NY.
Are there other thrift or secondhand stores near P.S. 321 Flea Market?
Yes — we list 6 other secondhand, thrift, consignment, vintage, or antique stores within about 50 miles. See the nearby stores section on this page.
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Listing last updated from public listings and open map data.