
3 Bedroom Apartments for Rent in Islandia, NY (15 Rentals)


The Belmont at Eastview

The Core

Fairfield At Ronkonkoma

39 Bay Shore Ave

1029 Merriam Rd

352 Howells Rd

44 Palm St

1465 Motor Pkwy

145 N Country Rd

35 Neslo Dr
Islandia, NY Local Guide

How much does it cost to rent an apartment in Islandia?
Bedroom | Average Rent | Cheapest Rent | Highest Rent |
---|---|---|---|
Islandia Studio Apartments | $2,234 | $2,026 | $2,865 |
Islandia 1 Bedroom Apartments | $3,095 | $1,950 | $4,586 |
Islandia 2 Bedroom Apartments | $4,022 | $2,000 | $5,964 |
Islandia 3 Bedroom Apartments | $5,346 | $3,780 | $7,282 |
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Islandia, NY Local Guide
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Largest Available Islandia and Nearby 3 Bedroom Apartments
The largest available 3 Bedroom apartment unit in Islandia, NY is found at Carlow in the Courthouse Commons neighborhood and is 1,755 square feet priced from $6,556. 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 $3,885. Here is today’s list of the largest available 3 Bedroom units in Islandia:
Apartment Listing | Model Name | Square Footage | Priced From |
---|---|---|---|
Carlow | C2 | 1,755 Sq Ft | $6,556 |
Fairfield At Ronkonkoma | The Astor Place* | 1,618 Sq Ft | $3,885 |
The Core | 3 Bed/2 Bath-C2 | 1,377 Sq Ft | $4,200 |
Avalon Commons | C1R | 1,327 Sq Ft | $3,890 |
Cheapest Available Islandia and Nearby 3 Bedroom Apartments
As of March 22, 2025 the lowest priced 3 Bedroom apartment unit in Islandia, NY is the The Carnegie Model starting from $3,780 at Fairfield At Ronkonkoma in the Five Corners neighborhood. The second most affordable Islandia 3 Bedroom is the C1R Model at Avalon Commons starting at $3,890 in the Lake Ronkonkoma neighborhood. The average price for all 3 Bedroom apartments in Islandia is currently $5,346. Here is today’s list of the cheapest available 3 Bedroom options in Islandia:
Apartment Listing | Model Name | Priced From |
---|---|---|
Fairfield At Ronkonkoma | The Carnegie | $3,780 |
Avalon Commons | C1R | $3,890 |
The Core | 3 Bed/2 Bath-C1 | $4,005 |
Carlow | C1 | $6,518 |
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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 $3,780.
How much is the average rent for a 3 Bedroom Islandia Apartment?
The average rent for a 3 Bedroom Apartment in Islandia is $5,346.
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 $6,556 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 1,462 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.

Battling the Butts: Your Guide to the Reality of Smoke-Free Renting
Written by: Andrea Lee Negroni, JD
While many apartment buildings are “no smoking” properties, it’s hard to know exactly how many. In 2017, the National Apartment Association reported more than half of rental properties had smoke free policies.

Understanding Amenity Fees: Know Where You Might Be Able to Save Money
Written by: Amber Kanuckel
With the rising costs of housing, a lot of renters are asking this question: Is it possible to opt out of various amenities that your rental property offers so that you can avoid paying the fees.

How Your Move-In Inspection Can Protect Your Security Deposit
Written by: Christine Leonard, Esq.
If you’re anything like most people, housing costs represent a huge chunk of your monthly budget. On top of that, moving can be both a stressful and expensive affair.

Signing Your Apartment Lease: The Basics
Written by: Trey Huguley
When you're about to sign a lease for the first time, it can feel a bit overwhelming. You don’t want to miss any important details hidden in the fine print.