Tranquil | Timeless | Transcendent

Located on one of Boulder's most iconic, tree-lined streets, this architecturally rich residence effortlessly blends timeless charm with elevated modern design. Thoughtfully curated and beautifully finished, the main level features sustainably refinished hardwood floors, soaring ceilings, and a striking gourmet kitchen outfitted with a new Sub-Zero refrigerator, Wolf range, and a marble-topped island ideal for gatherings. Refined living and dining spaces exude warmth and character with custom built-ins, designer lighting, and multiple fireplaces.Upstairs, the vaulted primary suite offers a true retreat, complete with its own fireplace, a private balcony, and sweeping Flatiron views. Two additional bedrooms are filled with light and comfort, each enjoying access to a beautifully appointed bath-one en suite, the other just a few steps away. A whimsical "secret" bonus room adds charm and flexibility for imaginative play or clever storage.The lower level expands the living experience with impressive ceiling height, a bright media room, custom shelving, glass-enclosed home office, and a private guest suite with a spa-like bath.Outdoors, the magic continues. The professionally landscaped backyard is a lush and tranquil sanctuary with a newly paved patio, serene waterfall feature, plumbed-in BBQ, and multiple entertaining spaces-plus a storybook two-story playhouse with sandbox and a full sprinkler system for year-round vibrancy. A detached cottage with vaulted ceilings, a kitchenette, and powder room offers flexible bonus space-perfect for a gym, office, studio, guest quarters or teen hangout-while the detached garage boasts epoxy floors and built-in storage. Just moments from top cafes, award-winning restaurants, boutique shopping, Chautauqua Park, and endless hiking trails, this is quintessential Boulder living at its finest.

512 Marine Street

$4,985,000

4 Beds
5 Baths
4,904 sq ft
Lot 0.23 acres
MLS: 1036876

Amenities

Elevated Modern Design
Brick
Soaring Ceilings
Refinished Hardwood Floors
Designer Lighting
Custom Built-ins
Custom Wallpaper
Gourmet Kitchen
Sub Zero Refrigerator
Wolf Stove
Marble Countertops
Pantry
Sitting Room
Multiple Fireplaces
Family Room
Dining Room
Luxurious Primary Suite
New Primary Vanity
Whole House Humidification
Ensuite Bath
Balcony
Walk-in Closet
3 Additional Bedrooms
New Washer/Dryer
Secret Bonus Room
Home Office Area
Finished Lower Level
Media Room
Private Guest Suite
Spa-like Bath
New Built-in Seating Area
Air Conditioning
Custom Shelving in Basement
Landscaped Backyard
Fenced Yard
Toxin-Free Yard
Private Patio
Covered Patio
Multiple Entertaining Spaces
Waterfall Feature
Fire Pit
Gardens
Built-in BBQ
New Irrigation
Cottage
Kitchenette
Vaulted Ceilings
Built-in Cabinetry
Powder Room
Detached Garage
Epoxy Floors in Garage
Wall-Mounted Storage
Refrigerator in Garage
EV Charger
EMF System
Near Restaurants
New Roof With Warranty
Radon Mitigation System
Whole House Water Filtration
Reverse Osmosis Water Filter
Near Shops
Near Trails
Near Downtown Boulder

Video

Virtual Tour

3D Tour

Floor Plans

Location

512 Marine Street
Boulder, CO 80302
4 Bed | 5 Baths

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Maureen McCarthy

Realtor - RE/MAX of Boulder
Photo of Maureen McCarthy