- In-Store Shopping
- In-Store Pickup
- Curbside Pickup
- Helium Inflation
Your Party Store in Islip for Halloween Costumes, Birthday Party Supplies & Theme Parties
Celebrate anything and everything with Party City in Islip! Party City is America's favorite party store for birthday party supplies, baby shower favors, Halloween costumes, and more. Get your party goods for less — everything you need for theme parties, wedding receptions, retirement parties, and sporting events.
With over 850 stores in the United States, Party City is the nation's largest party retailer, offering a huge selection of general and seasonal party supplies. We've been in the party business for thirty years, growing from a single location to a well-known national chain. Our retail outlet in Islip is a one-stop shop for birthdays, Halloween parties, baby showers, and holiday events.
Why Shop with Party City Islip for Your Party Supplies?
Many stores offer a limited assortment of party ware, but at Party City Islip, we specialize in party supplies. We sell costumes, decorations, and favors year round, and not just during the biggest holiday seasons. Aisles are organized by color, season, and party theme, so that everything is easy to find and within easy reach. There's no better selection of theme party supplies, boy's and girl's birthday themes and Halloween costumes anywhere — and at Party City, all products are tested for quality and safety before they ever reach our shelves.
Shop with us and you'll discover many ways to celebrate — and just in case you don't, store associates are always ready to help you plan the perfect party. Below are just a few of the supplies we offer.
General Party Supplies: Table Covers, BOGO Cups
General party supplies are sold year round. These include:
- Table covers, napkins, utensils & cups
- Serveware & catering supplies
- Room & table decorations
- Party Invitations & banners
- Balloons & helium tanks
- Candy & baking supplies
Birthday Party Supplies for Kids & Adults
Birthday supplies are also sold year round. They include:
- Over 100 themes for boys & girls
- Themes for adult birthdays
- Party favors & games
- Hanging & wall decorations
- Birthday balloons & invitations
- Pinatas & candy
Theme Party, Holiday & Special Occasion Merchandise
These can be seasonal or perennial, depending on the occasion.
- Wedding & baby shower supplies
- Graduation party supplies
- Supplies for religious occasions, like Confirmation
- Supplies for most holidays: Christmas, Mardi Gras, etc.
- Luau, Hollywood & sports party supplies
The Halloween Store: Costumes, Accessories & Decorations
Halloween is our biggest season by far. From August through November, Party City Islip is primarily a Halloween store, carrying all styles and sizes of costumes, a huge assortment of costume accessories, life size animated props, giant stretch cobwebs, and skull pitchers and mugs. Because we also manufacture Halloween merchandise, many of the products we sell are exclusive to Party City — you can't buy them anywhere else. Costumes, wigs, cream makeup, and vampire teeth are easy to find, thanks to the careful layout of our floor space, shelves, and aisles. Halloween store inventory includes:
- Costumes for babies, toddlers, kids & adults
- Ultra-affordable costume kits
- Costume accessories like hats, masks & tutus
- Halloween makeup & face paint
- Animated Halloween props
- Kid-friendly decorations
- Halloween scene setters & room rolls
- Halloween table decorations
- Indoor & outdoor decorations
- Tombstones & giant spiders
- Halloween party themes: Tableware with matching decorations