3 Bedroom Apartments for Rent in Islandia, NY (24 Rentals)

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Don't Settle: How to Negotiate Your Apartment Lease and Save Money

Discover the insider tips from an attorney and real estate agent on how to negotiate your next apartment lease. Find out what's on the table and what's not, so you can save money and get the best terms possible.

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Roommate Matching: Finding the Right Fit and Avoiding Pitfalls

When searching for a roommate, follow this list of essential steps and set clear expectations to create a solid foundation for a harmonious living situation.

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property at 72 Singworth St

72 Singworth St

Oyster BayNY11771
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1-9 Gilbert Ave
3 Bedroom Apartments

1-9 Gilbert Ave

1-9 Gilbert AveSmithtown, NY 11787

The Ultimate Long-Distance Moving Checklist: Tips from a Real Estate Pro

Moving is tough, especially long-distance. Learn how to minimize stress & expenses with proven strategies from a real estate pro, covering everything from logistics to finances.

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Islandia, NY Local Guide

Largest Available Islandia and Nearby 3 Bedroom Apartments

The largest available 3 Bedroom apartment unit in Islandia, NY is found at Carlow in the Lake Ronkonkoma neighborhood and is 1,755 square feet priced from $5,925. Fairfield At Ronkonkoma in the Five Corners neighborhood has the second largest 3 Bedroom, which is sized at 1,618 square feet and currently listed start at $3,920. Here is today’s list of the largest available 3 Bedroom units in Islandia:

Apartment ListingModel NameSquare FootagePriced From
CarlowC21,755 Sq Ft$5,925
Fairfield At RonkonkomaThe Astor Place*1,618 Sq Ft$3,920
Alston at Station Yards3Bed/2Bath-C21,551 Sq Ft$4,677
Renaissance HillsC11,020 Sq Ft$3,888

Cheapest Available Islandia and Nearby 3 Bedroom Apartments

As of September 21, 2025 the lowest priced 3 Bedroom apartment unit in Islandia, NY is the The Carnegie Model starting from $3,815 at Fairfield At Ronkonkoma in the Five Corners neighborhood. The second most affordable Islandia 3 Bedroom is the C1 Model at Renaissance Hills starting at $3,888 in the Western Suffolk neighborhood. The average price for all 3 Bedroom apartments in Islandia is currently $4,697. Here is today’s list of the cheapest available 3 Bedroom options in Islandia:

Apartment ListingModel NamePriced From
Fairfield At RonkonkomaThe Carnegie$3,815
Renaissance HillsC1$3,888
Alston at Station Yards3Bed/2Bath-C2$4,677
CarlowC1$5,885

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Remember the 3 Rules of Real Estate:
Location, Location, Location!

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Getting Around Islandia, NY

Walk Score®

42 / 100

Car-Dependent

Most errands require a car

Bike Score®

44 / 100

Somewhat Bikeable

Minimal bike infrastructure

What Are Walk Score®, Transit Score®, and Bike Score® Ratings?

  • Walk Score® measures the walkability of any address.
  • Transit Score® measures access to public transit.
  • Bike Score® measures the bikeability of any address.

Frequently Asked Questions about 3 Bedroom Islandia Apartments

What is the Cheapest apartment in Islandia with 3 Bedroom?

Currently the most affordable 3 Bedroom in Islandia is at Fairfield At Ronkonkoma listed at $3,815.

How much is the average rent for a 3 Bedroom Islandia Apartment?

The average rent for a 3 Bedroom Apartment in Islandia is $4,697.

What is the largest available 3 Bedroom Islandia Apartment for rent?

Today's apartment with the most square footage in Islandia is a 1,755 square feet unit starting from $5,925 at Carlow.

What is the average size for Islandia 3 Bedroom Apartments for rent?

The average size for a 3 Bedroom rental in Islandia is currently 1,499 sq ft.

Expert Rental Resources

Helpful Apartment Articles, How-To's and Tips

The rental experts at ApartmentHomeLiving.com provide you with top advice, tools, and tips for understanding the leasing process and finding the perfect rental. Here are a few helpful rental and leasing articles from our experts to guide you on your search.

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How to Negotiate Your Apartment Lease and Save Money

Written by: Christine Leonard, Esq.

Everything is a negotiation in real estate! 

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The Rental Move-In Inspection Checklist: A Guide for Renters

Written by: Trey Huguley

The move-in inspection checklist is a crucial tool for both tenants and landlords. This checklist, provided by the team at ApartmentHomeLiving.com, helps document the condition of an apartment at the time of move-in.

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Your Guide to Co-Signers: The Risks, Rewards, and Everything in Between

Written by: Christine Leonard, Esq.

For many people, obstacles can arise during the rental application process for a variety of issues.

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The Ultimate Long-Distance Moving Checklist: Tips from a Real Estate Pro

Written by: Christine Leonard, Esq.

Hard truth. Moving is never easy. I’ve done it all – from local moves to cross-country relocations From packing to unpacking the last box, I have found moving to be an exhausting, expensive and stressful experience every time.