3 Bedroom Apartments for Rent in Lake St. Louis, MO (50 Rentals)

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Renting with Roommates: Realistic Expectations for Shared Lease

Sharing a lease? Learn how to set clear expectations with your roommates on routines, bills, and cleaning to ensure a successful and peaceful shared living arrangement.

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property at 147 Harbor View Dr

$1,875

Total Monthly Price

Total Monthly Price

Base Rent
$1,875
Total Monthly Price
$1,875

3 Bedroom, 2 Bath Townhome for Rent

Available Now

147 Harbor View Dr

Lake St. LouisMO63367
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Windsor Park
3 Bedroom Apartments

Windsor Park

100 Freymuth RdLake St. Louis, MO 63367

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 428 Ramblewood Way

$2,100

Total Monthly Price

Total Monthly Price

Base Rent
$2,100
Total Monthly Price
$2,100

3 Bedroom, 2 Bath Home for Rent

Available Sep 1

428 Ramblewood Way

WentzvilleMO63385

Renting Smart: Lease Basics Every Renter Needs

Demystify Your Rental Lease. Learn the basics about renting, deposits, and tenant/landlord responsibilities. Rent smart and avoid surprises. | Renter University at ApartmentHomeLiving.com

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Renters Insurance 101: What It Is, What It Covers, and Why You Need It

From theft to fire to water damage, the unexpected can happen to any renter. Discover why renters insurance is one of the smartest and most affordable investments you can make as a tenant.

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Inverness
3 Bedroom Apartments

Inverness

100 Royal Inverness PkyDardenne Prairie, MO 63368
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Pin Oak Pointe
3 Bedroom Apartments

Pin Oak Pointe

8001 Oakhaven DrO'Fallon, MO 63368

How I Find the Perfect Rental for My Clients: A Real Estate Pro's Guide

Finding the right apartment starts with three things: location, cost, and amenities. Get the insider perspective from a real estate professional on how to nail all three.

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Showing Results 1-50, Page 1 of 1

Lake St. Louis, MO Local Guide

Lake St. Louis 3 Bedroom Apartment Units with Current Availability by Neighborhood

Availability Confirmed As of: July 15, 2026

There are currently 51 available 3 Bedroom apartment units in Lake St. Louis, MO neighborhoods that range in price from $1,660 to $2,875. Heres is today's list of the top neighborhoods in Lake St. Louis with the most available 3 Bedroom apartments:

NeighborhoodAvailable UnitsMedian PriceMin Price
Preston Woods19$2,695$1,660
Lake Saint Louis17$2,725$1,680
Crimson Oaks15$2,725$1,825

Largest Available Lake St. Louis 3 Bedroom Apartments

The largest available 3 Bedroom apartment unit in Lake St. Louis, MO is found at Creekside Landing in the Lake St. Louis neighborhood and is 1,680 square feet priced from $2,600. The Willows in the Wentzville neighborhood has the second largest 3 Bedroom, which is sized at 1,667 square feet and currently listed start at $2,725. Here is today’s list of the largest available 3 Bedroom units in Lake St. Louis:

Apartment ListingModel NameSquare FootagePriced From
Creekside LandingAspen II with 2nd Floor Bay1,680 Sq Ft$2,600
The WillowsAspen1,667 Sq Ft$2,725
Montage at Hawk RidgeThe Grand Montage1,603 Sq Ft$2,695
The Waterways of Lake Saint Louis ApartmentsWaterside1,350 Sq Ft$1,680
O'Fallon Lakes ApartmentsThe Carlyle1,157 Sq Ft$1,475
Prairie Encore3B/2B - 4th Floor1,118 Sq Ft$2,550

Cheapest Available Lake St. Louis 3 Bedroom Apartments

As of July 15, 2026 the lowest priced 3 Bedroom apartment unit in Lake St. Louis, MO is the The Carlyle Model starting from $1,475 at O'Fallon Lakes Apartments in the Whispering Woods neighborhood. The second most affordable Lake St. Louis 3 Bedroom is the Waterside Model at The Waterways of Lake Saint Louis Apartments starting at $1,680 in the Lake St. Louis neighborhood. The average price for all 3 Bedroom apartments in Lake St. Louis is currently $2,520. Here is today’s list of the cheapest available 3 Bedroom options in Lake St. Louis:

Apartment ListingModel NamePriced From
O'Fallon Lakes ApartmentsThe Carlyle$1,475
The Waterways of Lake Saint Louis ApartmentsWaterside$1,680
Prairie Encore3B/2B - 2nd Floor$2,550
Creekside LandingAspen II with 2nd Floor Bay$2,600
Montage at Hawk RidgeThe Grand Montage$2,695
The WillowsAspen$2,725

Real Estate and Rental Term Glossary | ApartmentHomeLiving.com Renter University

From the letter A all the way to the letter Z, the Real Estate and Rental Term Glossary from the content team at ApartmentHomeLiving.com provides our visitors and shoppers with a little clarity and helpful guidance in navigating the real estate world through definitions and explainers for the top subjects and terms that someone may come across during the leasing, buying, or selling process.

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

Explore Lake St. Louis, MO Rentals by Map

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Frequently Asked Questions about 3 Bedroom Lake St. Louis Apartments

How much is the average rent for a 3 Bedroom Lake St. Louis Apartment?

The average rent for a 3 Bedroom Apartment in Lake St. Louis is $2,520.

What is the largest available 3 Bedroom Lake St. Louis Apartment for rent?

Today's apartment with the most square footage in Lake St. Louis is a 1,680 square feet unit starting from $2,600 at Creekside Landing.

What is the average size for Lake St. Louis 3 Bedroom Apartments for rent?

The average size for a 3 Bedroom rental in Lake St. Louis is currently 1,539 sq ft.

Expert Rental Resources

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.

Articles, How-To's, and Tips

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Renters Insurance 101: What It Is, What It Covers, and Why You Need It

Written by: Robin Stewart

Insurance seems to be a part of life. In some states, having insurance is the law, as is the case for automobile insurance. Renters are no exception.

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Apartment Occupancy Rates: Renter Attraction vs Renter Retention

Written by: Robin Stewart

There’s a tenet in marketing about client or customer attraction and retention. Studies and data have consistently shown it costs less to keep a current customer than to attract a new one.

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How I Find the Perfect Rental for My Clients: A Real Estate Pro's Guide

Written by: Robin Stewart

Evaluating rental properties for clients draws many parallels to house-hunting. Whether an apartment, loft, townhouse, or other rental, finding the right place means finding “home” for your client.

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Pet-Friendly Renting: Everything You Need to Know Before You Move

Written by: Christine Leonard, Esq.

For so many of us, pets are the best companions and a big part of our lives. For this reason, a pet-friendly house or apartment is often a very important - and nonnegotiable - part of a move.