54 Summit Avenue
Mariday Heights · Thunder Bay · ON · P7B 3N9
On market 44 days
About this property
A Rare Mariday Park Opportunity! Tucked into one of Thunder Bay’s most cherished and tightly held neighbourhoods, 54 Summit Ave. is a spacious 5-bedroom, 3-bathroom family home that blends timeless warmth with thoughtful modern updates. Set among mature trees and beautiful established homes, this is a neighbourhood where community still matters—just steps from Hillcrest Park and within easy walking distance of schools, downtown and the waterfront. Inside, hardwood floors and neutral contemporary finishes create a timeless, inviting backdrop. The main floor is ideal for both everyday living and entertaining, with a generous living room featuring a cozy gas fireplace and adjoining library or study. The modern kitchen offers granite countertops, a large island and an open connection to the dining room. A convenient half bath is located near the rear entrance. The large rear addition creates a private primary bedroom retreat with a 3-piece ensuite, plus a versatile second room perfect for a home office, gym, studio or quiet getaway. Upstairs, four additional bedrooms and an updated 4-piece bathroom provide excellent space for family and guests. A rooftop space above the addition offers a unique spot for evening drinks and stargazing. The lower level features a comfortable insulated rec room, laundry and utility area, plus a large unfinished space ideal for storage, hobbies or future possibilities. Outside, enjoy a large deck overlooking the fully fenced yard, established raspberry bushes and raised garden beds. A large storage room with exterior access adds even more practical space. Move-in ready and complete with appliances, 54 Summit Ave. offers exceptional space, character and walkability in one of Thunder Bay’s most desirable neighbourhoods. A rare opportunity to become part of Mariday Park!
Key facts
Property details
Rooms & baths
Building & utilities
Lot
Financial
Rooms
15 rooms on 3 level s
| Type | Dimensions | Features |
|---|---|---|
| Main | ||
| Living Room | — | Hardwood Floor |
| Kitchen | 17'1" × 10'10" | Hardwood Floor |
| Dining Room | 12'6" × 11'6" | Hardwood Floor |
| Primary Bedroom | 13'2" × 12'3" | Hardwood Floor |
| Office | 12'8" × 10'1" | Hardwood Floor |
| Bathroom | — | Tile Floor |
| Other | — | 3 Pc EnsuiteTile Floor |
| Second | ||
| Bedroom 2 | 12'2" × 9'1" | Hardwood Floor |
| Bedroom 3 | 10'1" × 8'3" | Hardwood Floor |
| Bedroom 4 | 13'6" × 11'1" | Hardwood Floor |
| Bathroom | — | Tile Floor |
| Bedroom | 13'5" × 8'2" | Hardwood Floor |
| Basement | ||
| Recreation | 19'2" × 10'8" | Vinyl Floor |
| Laundry | 25'7" × 13'3" | Concrete Floor |
| Other | 28'8" × 14'4" | |
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Location
Market Overview
Thunder Bay
Listing data provided by the Toronto Regional Real Estate Board (TRREB).
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The listing data is provided under copyright by the Toronto Regional Real Estate Board (TRREB). The listing data is deemed reliable but is not guaranteed accurate by TRREB. The trademarks MLS®, Multiple Listing Service® and the associated logos are owned by The Canadian Real Estate Association (CREA) and identify the quality of services provided by real estate professionals who are members of CREA.
Last updated: October 8, 2026.