LI Halloween Costume Parties for Adults

Why should kids have all the fun dressing up on Halloween? Check out these places that are hosting Halloween costume parties for the 21+ crowd.

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Beach Club Estate

Halloween Costume Ball

Friday, November 1, 8 p.m.

161 Rose Drive, Ronkonkoma

Beach Club Estate will be holding a Halloween Costume Ball at its waterfront location on Lake Ronkonkoma. The event will include a buffet, open bar, dessert, live DJ and dancing.  Price: $64.95 (plus tax). Visit the Beach Club Estate website for more info and to order tickets. 

Long Island Aquarium

Masquerade Ball

Saturday, October 26, 8 p.m.

431 East Main Street, Riverhead

Long Island’s most FINtastic destination transforms into a magical and mysterious masquerade ball on Saturday, October 26. Enjoy an open bar, light buffet, DJ and dancing, Prizes will be awarded for best costume and best masquerade attire. Price: $69.95. 


Sapphire Yacht Charters

Sapphire Halloween Costume Party

11 Richmond St, Freeport

Friday, October 25, 9 p.m.

The Sapphire Princess Halloween Costume Party Boat calls itself the “best shipwrecked Halloween party boat you can find on Long Island.” The event will feature a costume contest, live DJ entertainment, prizes, open bar house liquor, beer, wine and soda, passed apps, dessert, coffee and tea. A cash bar for premium liquor is available on board. Price: $75 per person + tax + min 15% gratuity to crew.

Visit the Eventbrite link for more information or the Sapphire Yacht Charter website for more information.

Library Café

Costume party

274 Main Street, Farmingdale

Saturday, October 26, 9 p.m.

Have a spooky good time at The Library Café as it hosts its annual Halloween costume party on October 26. Dress to impress – there are prizes for best costume or mask. The night will also feature DJ entertainment, raffles, and drink specials. For further information, call the Library Café at 516-752-7678 or visit

Po’boy Brewery

Halloween Party

Saturday, October 26, starts at 7:30PM

200 Wilson St, Port Jefferson Station

The microbrewery and cidery, Po’boy Brewery, will be throwing a costume-mandatory Halloween party on October 26. There’s no cover charge and free food will be served. Happy hour prices on select beer and ciders will be available and the evening’s guests will be treated to a special release. Prizes will be awarded for best costumes. Visit the brewery’s website for additional information.