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Home » Real Estate » CO » Boulder » 80302 » 512 Marine St, Boulder, CO, 80302
$4,985,000

512 Marine St, Boulder, CO, 80302

4 Beds
5 Baths
4,904 Square Feet
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.
Offered By
Maureen McCarthy 3038171282, RE/MAX of Boulder, Inc

Property Details

Property Type Residential
Status Active
Bedrooms 4
Bathrooms (Full) 4
Property Sub Type Residential-Detached
Square Feet 4,904
MLS # 1036876
Bathrooms (Half) 1

Market Trends

New Properties On Market
71
12% Decrease In New Listings
Average Asking Price
$1,711,208
$72,742 Increase In Avg Asking Price
Average Asking Price / Sq. Ft.
$660
$8 Decrease In List Price/Sq. Ft.
Average Days On Market
8
22 Day Decrease In Days On Market
Data as of Jul 03, 2025. Remaining statistics above are calculated on activity within the period from May 01, 2025 to Jun 30, 2025.

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Information deemed reliable but not guaranteed by the MLS. Listing information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data Source: Information and Real Estate Services, LLC. Provided for limited non-commercial use only under IRES Rules. © 2025 IRES. Property data was last updated on 6/30/2025 at 11:32 am