20 Grove Avenue, Groton, Connecticut

$3,800,000

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4

Beds

3

Baths

3,004

Square feet

0.53

Acres

About 20 Grove Avenue

Mystic luxury home in the heart of the Mystic River Historic District. Home's majestic presence along the Mystic River has been a beacon for Mystic's nautical community. One of the premier homes along the river front with direct access to nautical adventures with your own personal dock. The home is located directly opposite The Mystic Seaport with 156 feet of unobstructed waterfront views. Home's interior showcases a first floor ensuite with panoramic views of the Mystic River and French doors leading to the outer decks and dining area. Kitchen includes new appliances with Kitchen Aid double stainless ovens, Bosch 5 burner cook-top, LG side-by-side fridge, Whirlpool dishwasher, center island, custom cabinets, granite counters and central island. The kitchen triple casement windows overlook the Mystic Seaport. First and second floors are hardwood with captivating water views. The third floor expands the opportunity for hosting additional guests and the ideal place to rest and take in your favorite novel while enjoying nautical traffic. The lower level has the setting for an English pub and adjoining office area. The expansive yard area complete with access to your own personal dock and built-in swimming pool. Gracious mature landscaping is framed by rose hedge and wisteria trellis with cascading clusters of lilac flowers welcoming spring. Home conveniently located between NY and Boston with high speed rail and ferry service. SEE DRONE ICON BELOW LISTING PHOTO.

Features of 20 Grove Avenue

MLS® # 24170583
Price $3,800,000
Bedrooms 4
Bathrooms 3.00
Full Baths 2
Half Baths 1
Square Footage 3,004
Acres 0.53
Type Single Family For Sale
Style Colonial
Status Under Contract

Community Information

Address 20 Grove Avenue
Area Mystic
City Groton
County New London
State Connecticut
Zip Code 06355

Amenities

Parking Detached Garage
# of Garages 1
Is Waterfront Yes
Waterfront River
Has Pool Yes
Pool Concrete, Safety Fence, In Ground Pool

Interior

Appliances Gas Cooktop, Electric Range, Oven/Range, Wall Oven, Microwave, Range Hood, Freezer, Dishwasher, Disposal
Heating Hot Air, Oil
Cooling Central Air
Fireplace Yes
# of Fireplaces 2
Has Basement Yes
Basement Full, Partially Finished

Exterior

Exterior Clapboard
Lot Description Level Lot, Professionally Landscaped, Historic District, Water View, Open Lot
Roof Asphalt Shingle
Foundation Block, Stone

School Information

Elementary Per Board of Ed
High Fitch Senior

Additional Information

Date Listed May 7th, 2026
Days on Market 91
Zoning RS-12
RE / Bank Owned No

Listing Details

OfficeBerkshire Hathaway NE Prop.

Listing Map

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Listing information last updated on September 10th, 2026 at 11:26am EDT.