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HomeSouth Boston CondosCastle Bay129 M St #1
For Sale · Castle Bay, South Boston, Boston

129 M St #1

$875,000 · Castle Bay

Price
$875,000
Beds
4
Baths
2
Sq Ft
1,074
$/Sq Ft
$815
HOA
$325/mo
Year
1890
Days on Mkt
4

About This Home

Turnkey South Boston investment opportunity or ideal owner-occupant home. This renovated 4-bedroom, 1.5-bath lower duplex sits between M Street Beach and the shops, restaurants, and energy of E Broadway retail options. Offering over 1,000 square feet across two levels, the home features a smart, flexible layout with two bedrooms and a bathroom on each floor, making it well-suited for investors, roommates, or buyers looking for extra work-from-home space. The updated kitchen features stainless steel appliances, granite countertops, and excellent functionality. A true standout is the private deck and exclusive backyard, creating rare outdoor space for summer barbecues, gardening, entertaining, or relaxing after the beach. In-unit laundry, hardwood floors throughout, central air conditioning, and move-in-ready condition complete this South Boston gem.

About Castle Bay

This unit is part of Castle Bay, a 20-unit condominium association in South Boston, Boston. Recent sales here have run around $825k. See the full Castle Bay profile, market stats, and HOA details →

Other Homes in Castle Bay

Listing data courtesy of MLS PIN. Presented by Justin Rollo, Signal Real Estate. Information deemed reliable but not guaranteed; verify all details independently.