Costello's Ace - EAST ISLIP


15 West Main St. #C
East Islip, NY 11730
Phone: 631-650-6914
Fax: 631-650-6915
Manager: Kelly Lange
Email: 15280@costellosace.com

Store Services/Niches

Expert Key Cutting
Computerized Paint Color Matching
Screen and Storm Window Repairs
Automotive Chip Key Cutting
Knife Sharpening
Mower Blade Sharpening
Chainsaw Sharpening
Glass and Acrylic Sheet Cutting
Assembly Available
Lock Re-keying
Special Order – Over 200,000 Items Available

Store Hours
Monday to Friday  8:00a – 9:00p
Saturday 8:00a – 9:00p
Sunday 8:00a – 6:00p


*Winter Hours (January-February) Monday thru Saturday store closes at 8:00PM.


Holiday Hours
New Years Day 10:00a – 4:00p
Easter 9:00a – 4:00p
Memorial Day 8:00a – 6:00p
Independence Day 8:00a – 6:00p
Labor Day 8:00a – 6:00p
Thanksgiving Closed
Christmas Eve 9:00a – 6:00p
Christmas Closed
New Years Eve 9:00a – 6:00p
Store Manager
Manager: Kelly Lange

I started working for Ace in 2011 as a part time associate while I was going to school. Over the past few years I have learned from my peers, management and customers. I am very lucky to have found a place that I love and enjoy going to everyday! ACE is the place!

I would like to compliment Justin’s outstanding customer service. He helped me with a holiday decoration last week and spent a great deal of time with me to make sure I was satisfied.
– Judy P.

On various occasions the staff has personally helped me, getting exactly what I needed and explaining the products to me. The staff is very patient, helpful and knows their stuff. I came into the store looking for a product that was out of stock so the staff called another location and had it delivered to the East Islip store for me.
– Dorothy S.

Rich Langdon’s was a huge help and I loved my experience at Ace because of him.
– Diane C.