DetachedListed today

21 Elterwater Ave, Crystal Bay - Rocky Point - Bayshore

Name: 21 Elterwater Avenue
SKU: X13876862
Price: 809900 CAD
Availability: InStock

Crystal Bay - Rocky Point - Bayshore, ON · · MLS® X13876862Updated October 8, 2026

$809,900Est. $3,979/mo mortgage

Bedrooms: 3
Bathrooms: 2
Living space: 700–1100sq ft
Parking spaces: 6

Type Detached
Garage Yes
Basement Finished, Full

What you should know

21 Elterwater Ave is a 3-bedroom, 2-bathroom detached home in Crystal Bay - Rocky Point - Bayshore, listed for $809,900. It has 700-1100 sq ft of living space.

A fantastic location to enjoy convenient access to DND, the Ottawa River, Nepean Sailing Club and beautiful Andrew Haydon Park, along with nearby shopping, recreation, schools and transit.
The bright and inviting main level features hardwood flooring, a stylish updated kitchen with quartz countertops, updated bathrooms, and comfortable living spaces perfect for everyday life and entertaining.
The recently renovated lower level is a standout, offering a beautiful bathroom, kitchen, legal bedroom with large window as well as a spacious recreation area.

Ask Zara:Is there an offer date?What would the monthly costs be?What's nearby?

3 Bed, 2 Bath Detached Home in Crystal Bay - Rocky Point - Bayshore

About 21 Elterwater Avenue

Welcome to 21 Elterwater Avenue - a beautifully updated 3+1 bedroom, 2 full bathroom home in the highly desirable Crystal Beach neighbourhood! A fantastic location to enjoy convenient access to DND, the Ottawa River, Nepean Sailing Club and beautiful Andrew Haydon Park, along with nearby shopping, recreation, schools and transit. The bright and inviting main level features hardwood flooring, a stylish updated kitchen with quartz countertops, updated bathrooms, and comfortable living spaces perfect for everyday life and entertaining. The recently renovated lower level is a standout, offering a beautiful bathroom, kitchen, legal bedroom with large window as well as a spacious recreation area. This versatile space provides plenty of options for extended family, guests or the potential for rental income. The 2 car tandem garage offers the option to park two cars on those snowy nights. With its updated interior, flexible lower-level living space and fantastic west-end location, 21 Elterwater Ave is a wonderful opportunity to call Crystal Beach home! Renovated Basement 2026, Furnace 2026, Metal Roof, Vinyl Windows

3 bedrooms, 2 bathrooms, about 700 sq ft, works out to roughly $1,157 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.Ask Zara a follow-up

Inside 21 Elterwater Ave

Every detail from the listing, in one place.

Type: Detached
Style: Bungalow
Living space: 700-1100 sq ftas stated on the listing
Parking: 6 spacesYes garage
Basement: Finished, Full

Features & systems

Parking & garage

Garage: Yes
Parking spaces: 6

Interior

Basement: Finished · Full

Lot & land

Lot size (sqft): 0

Listing & possession

Property style: Bungalow
Property class: Detached

21 Elterwater Ave Price & Sale History

Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.

Oct 8, 2026For saleListedThis listingMLS® X13876862$809,900

Sourced from MLS®. Includes earlier listings of this property on record.

What's it worth?

How 21 Elterwater Ave Compares to the Crystal Bay - Rocky Point - Bayshore Market

Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.

Zara’s estimate

Well Above Market· based on 40 recent sales

Value your own home →How accurate are Zara’s estimates?

Summitly estimate, not from PropTx, the MLS® or the listing brokerage. Not an appraisal. How it works

Crystal Bay - Rocky Point - Bayshore market, last 90 days

Median sold price: $700,000
Average sold price: $690,796
Average days on market: 32
Homes sold: 25

Closed sales on the TRREB MLS®.

Recently sold nearby in Crystal Bay - Rocky Point - Bayshore

Sold prices are shown free to signed-in members, as board rules require.

6 nearby sales vs. this home

Closed sales from MLS®, compared with this home's asking price.

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Home	Sold price	$ / sqft	% of asking	Sold
This home21 Elterwater Avenue 3 bd · 2 ba · 700 sqft	$809,900asking	$1,157	—	—
206 Cypress Court 4 bd · 2 ba · 2,500 sqft
210 Cypress Court 4 bd · 2 ba · 2,000 sqft
7 Burgess Avenue 3 bd · 2 ba · 1,500 sqft
50 Ullswater Drive 5 bd · 2 ba · 1,100 sqft
68 Corkstown Road 3 bd · 1 ba · 1,500 sqft
60 Horner Drive 4 bd · 3 ba · 1,500 sqft

206 Cypress Court
4 bd · 2 ba · 2,500 sqft
210 Cypress Court
4 bd · 2 ba · 2,000 sqft
7 Burgess Avenue
3 bd · 2 ba · 1,500 sqft
50 Ullswater Drive
5 bd · 2 ba · 1,100 sqft
68 Corkstown Road
3 bd · 1 ba · 1,500 sqft
60 Horner Drive
4 bd · 3 ba · 1,500 sqft

Living in Crystal Bay - Rocky Point - Bayshore: Location & Amenities

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Costs, Mortgage & Rental Return for 21 Elterwater Ave

What it could cost each month, today's rates from our mortgage partner, and what it could return as a rental.

Mortgage: $3,979; 20% down · 25 years · 5.5% assumed
Property tax: $445; 0.66% mill rate · ON
Total per month: $4,424; Before utilities, insurance and fees

Figures are Summitly estimates for illustration only — not from PropTx or the MLS® feed, and not a mortgage approval, appraisal, or financial advice.

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Monthly cost

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Down payment

Rate (%)

Years

An estimate, not a quote. Utilities and insurance are extra.

Affordability calculator

Estimated monthly payment

$3,979

/mo

based on the purchase price of $809,900

Down payment20%

$161,980 cash

Amortization25 yr

$647,920 financed

Rate5.50%

$545,719 total interest

Principal54%$647,920

Interest46%$545,719

20% down · 25-yr amortization · 5.50% rate. Principal & interest only — taxes, condo fees, and insurance not included.

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Figures are Summitly estimates for illustration only — not from PropTx or the MLS® feed, and not a mortgage approval, appraisal, or financial advice.

Rental income potential

Est. monthly rent

low–high

Gross yield

rent × 12 ÷ price

Cap rate (est.)

net of tax + fees

Summitly AI estimate for discussion only — not from PropTx or the MLS® feed, and not an appraisal or investment advice. Yield and cap rate are derived from the estimated rent versus the asking price.

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Listing brokerage: ROYAL LEPAGE TEAM REALTY, BrokerageMLS® X13876862 · Listing data last updated October 8, 2026

Listing data comes from the Toronto Regional Real Estate Board (TRREB) and is deemed reliable but not guaranteed. Shown on Summitly by Coldwell Banker Summit Realty, Brokerage, which is not the listing brokerage. The information provided herein must only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate and may not be used for any commercial purpose or any other purpose. © 2026 Toronto Regional Real Estate Board. All rights reserved.

Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Estimated values, AI insights, calculator results, and rental projections shown on this page are generated by Summitly and are not provided by, reviewed by, or sourced from PropTx, the MLS®, or the listing brokerage; they are not appraisals or opinions of value. The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. The Coldwell Banker® name and logo are trademarks of Coldwell Banker Real Estate LLC.

For sale· listed Oct 7· $1,157/sq ft

Estimated monthly mortgage$3,979/moMortgage only · 20% down · 5.5% assumed

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