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Top-Rated Pool builders and installers in Sag Harbor - Updated Nov 2026

Avatar for Sweeney's Pool Service, Inc
Sweeney's Pool Service, Inc
4.6(
277
)
Swimming Pool -RemodelSwimming Pool - In Ground - Build or InstallSwimming Pool Heaters - Install or Replace+5 more

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"As a new swimming pool owner that has no knowledge of swimming pool at all, I was looking for a contractor to adjust the depth of the existing swimming pool and replace the pool liner. I compared quotes from different companies and decided to choose Sweeney's after I spoke the owner Kenny, even though his quote is higher than other companies, his team has helped me understand the basics of swimming pool and take care of the entire life cycle of pool maintenace. Sweeney's Pool company has provided excellent service from adjusting depth of pool, new liner installation, pool opening, cleaning, closing and winter watch service at reasonable price. Sweenye's Pool company is honest, reliable and customer friendly. They have totally transformed the old swimming pool to a 5-star swimming pool every age can enjoy."
Luxury Pool Build
Backyard Oasis
Safety Cover Installations
Grotto Escape: Pool and Spa Oasis
Gunite Pool Builds

+94

Response time3 days
Response rate100%
1 neighbors recently requested a quote
Avatar for Cool Water Pool Works, LLC
Cool Water Pool Works, LLC
5.0(
14
)
Swimming Pool - Clean and MaintainSwimming Pool -RemodelSwimming Pool Covers - Install or Replace+6 more

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"We reached out to David and Phillip for an emergency liner replacement and they are now our go-to for all pool-related services. From the first call, David was extremely transparent and set realistic timelines for our project and weekly cleanings. That level of communication has continued throughout our time working with them. We rent out our property so having a reliable team is important to us and I can happily say they are the most reliable and honest pool team we have ever worked with before. I would recommend them to anybody and everybody!"
Weekly Service
Renovation East Hampton
Response time5 hrs
8 neighbors recently requested a quote
Recommended by100%of homeowners
Tri-M Pools
4.6(
39
)
Swimming Pool - Clean and MaintainSwimming Pool - Opening & Closing ServiceSwimming Pool Covers - Install or Replace+7 more

Serving Sag Harbor, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1986

Free estimates

Emergency services offered

"Joel, Barbara and entire crew were excellent in replacing my liner. They were responsive and always available to address any questions or concerns. No brainer, I'd use them for anything pool related. Thank you"
1
1
1
1
Response time1 day
33 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for Advantage L I, Inc.
Advantage L I, Inc.
4.7(
183
)
Swimming Pool -RemodelSwimming Pool: Vinyl Lined - Build or InstallReplace Vinyl Liner for Swimming Pool+5 more

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 2016

Emergency services offered

Warranties offered

"This company maintained our pool all summer long. The pool we have is a large gunite pool with salt water, it is hard to maintain and keep clear but they did it. If there was ever an issue or concern, Clinton responded himself within a few hours of contacting them. When our pool filter shorted out in a storm, they were there within 2 days with a new filter and gave us a fair price. The billing is easy, they give you a paper copy as well as send an email providing a bunch of payment options. The receptionist is efficient and someone always responds and answers. They send reminder emails before coming to service your pool. Communication and work is great."
changing liners
changing liners
liner
liner
pools liner

+39

Response time1 day
2 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for One Love Pools and Spa
One Love Pools and Spa
4.7(
42
)
Swimming Pool - Opening & Closing ServiceSwimming Pool - Clean and MaintainIn Ground Swimming Pool or Accessories - Repair or Service+4 more

Serving Sag Harbor, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"Alex& his team did an excellent job repairing extensive damage to our inground gunite pool & brick pool deck due to the recent blizzard & ice storm this past winter. The hydrostat needed replacement as well. All work was completed quickly, skillfully and on budget. One love pools is also going to be my pool maintenance company as well. Couldn’t be happier with the work, the workers & Alex the company owner. I recommend this company wholeheartedly."
Pool Cleaning
Pool Cleaning
Pool Cleaning
Pool Cleaning
Response time4 hrs
Response rate92%
9 neighbors recently requested a quote
Avatar for JS Pools
JS Pools
4.6(
23
)
Above Ground Swimming Pool or Accessories - Repair or ServiceIn Ground Swimming Pool or Accessories - Repair or ServiceReplace Vinyl Liner for Swimming Pool+6 more

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

We're a locally owned and operated company that values honesty and integrity and takes pride in the services we provide to our residential and commercial clients. We specialize in pool maintenance and weekly, monthy, or other routinely scheduled services. We provide free estimates, and you will find us to be competitively priced. We look forward to building lasting relationships and guarantee your satisfaction!

Recommended by95%of homeowners
Avatar for Elite Pools, Inc.
Elite Pools, Inc.
3.5(
17
)
Swimming Pool - Opening & Closing ServiceSwimming Pool - Clean and MaintainReplace Vinyl Liner for Swimming Pool+3 more

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 2010

Emergency services offered

Credit card accepted

"Prompt, courteous, thorough, honest. They came to clean a pool which was being maintained improperly and did a remarkable job. My only regret is that we didnâ t know them at the beginning of the season. I look forward to hiring them next year."
Gunite
Response time1 day
18 neighbors recently requested a quote
Recommended by91%of homeowners
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FAQs for pool construction and installation projects in Sag Harbor, NY

Running a pool pump continuously significantly increases your monthly electricity expenses. With a single-speed pump, you might see costs toward the upper end of the average range, potentially reaching $150 per month depending on your pump's horsepower and local electricity rates. 

Variable-speed pumps would be more economical even with continuous operation, but would still increase costs above normal. However, 24/7 operation is rarely necessary for residential pools, as most require only eight to 12 hours of daily filtration.

Yes, LED pool lights provide substantial energy savings compared to traditional halogen fixtures. Industry data indicates LED lights are five times less expensive to operate than halogen alternatives, while providing equivalent or better illumination. Though LED fixtures often have a higher initial purchase price, the energy savings and longer lifespan make them a cost-effective choice for pool owners who enjoy nighttime swimming.

The Sag Harbor, NY homeowners’ guide to pool constructions and installations

From average costs to expert advice, get all the answers you need to get your job done.