South Boston Apartments
Take a look at our selection of studio and one-bedroom apartments to find the layout option that best meets your needs for a home.
We value transparency or your experience with us starting from your first stop at our website and beyond. Our pricing calculator is here to help you plan for costs you may run into, but we also know that everyone’s lifestyle and circumstances can be different. Please call our leasing office directly to learn more.
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Studio
Loft 3
Beds / BathsStudio / 1 baRentTotal Monthly Leasing Price $2,999 – $3,499Deposit $1,000Sq. Ft515Exclusive Move-In Offer in Boston's Seaport District Jun 09, 2026 - Jul 09, 2026For a limited time only, 381 Congress Lofts is offering up to one month free on select homes! Please reach out to our leasing team for details.
Loft 5
Beds / BathsStudio / 1 baRentTotal Monthly Leasing Price $3,099 – $3,599Deposit $1,000Sq. Ft552Exclusive Move-In Offer in Boston's Seaport District Jun 09, 2026 - Jul 09, 2026For a limited time only, 381 Congress Lofts is offering up to one month free on select homes! Please reach out to our leasing team for details.
One Bedroom
Loft 1
Beds / Baths1 bd / 1 baRentTotal Monthly Leasing Price $3,999 – $4,299Deposit from $1,000Sq. Ft717Exclusive Move-In Offer in Boston's Seaport District Jun 09, 2026 - Jul 09, 2026For a limited time only, 381 Congress Lofts is offering up to one month free on select homes! Please reach out to our leasing team for details.
Loft 2
Beds / Baths1 bd / 1 baRentTotal Monthly Leasing Price $3,199 – $3,599Deposit $1,000Sq. Ft548Exclusive Move-In Offer in Boston's Seaport District Jun 09, 2026 - Jul 09, 2026For a limited time only, 381 Congress Lofts is offering up to one month free on select homes! Please reach out to our leasing team for details.
Loft 4
Beds / Baths1 bd / 1 baRentTotal Monthly Leasing Price $3,699 – $3,999Deposit $1,000Sq. Ft671Exclusive Move-In Offer in Boston's Seaport District Jun 09, 2026 - Jul 09, 2026For a limited time only, 381 Congress Lofts is offering up to one month free on select homes! Please reach out to our leasing team for details.
Loft 6
Beds / Baths1 bd / 1 baRentTotal Monthly Leasing Price $3,999 – $4,299Deposit $1,000Sq. Ft776Exclusive Move-In Offer in Boston's Seaport District Jun 09, 2026 - Jul 09, 2026For a limited time only, 381 Congress Lofts is offering up to one month free on select homes! Please reach out to our leasing team for details.
Loft 7
Beds / Baths1 bd / 1 baRentTotal Monthly Leasing Price $3,499 – $3,899Deposit from $1,000Sq. Ft701Exclusive Move-In Offer in Boston's Seaport District Jun 09, 2026 - Jul 09, 2026For a limited time only, 381 Congress Lofts is offering up to one month free on select homes! Please reach out to our leasing team for details.
Loft 8
Beds / Baths1 bd / 1 baRentTotal Monthly Leasing Price $3,599 – $3,999Deposit $1,000Sq. Ft738Exclusive Move-In Offer in Boston's Seaport District Jun 09, 2026 - Jul 09, 2026For a limited time only, 381 Congress Lofts is offering up to one month free on select homes! Please reach out to our leasing team for details.
Loft 9
Beds / Baths1 bd / 1 baRentTotal Monthly Leasing Price $3,999 – $4,099Deposit from $1,000Sq. Ft820Exclusive Move-In Offer in Boston's Seaport District Jun 09, 2026 - Jul 09, 2026For a limited time only, 381 Congress Lofts is offering up to one month free on select homes! Please reach out to our leasing team for details.
Loft 10
Beds / Baths1 bd / 1 baRentTotal Monthly Leasing Price $3,199 – $3,699Deposit $1,000Sq. Ft601Exclusive Move-In Offer in Boston's Seaport District Jun 09, 2026 - Jul 09, 2026For a limited time only, 381 Congress Lofts is offering up to one month free on select homes! Please reach out to our leasing team for details.
Loft 11
Beds / Baths1 bd / 1 baRentTotal Monthly Leasing Price $3,299 – $3,799Deposit $1,000Sq. Ft555Exclusive Move-In Offer in Boston's Seaport District Jun 09, 2026 - Jul 09, 2026For a limited time only, 381 Congress Lofts is offering up to one month free on select homes! Please reach out to our leasing team for details.
Our competitively-priced floor plans feature up to 820 square feet of optimized living space. Check out real-time availability and pricing for your preferred floor plan, then apply online.
We understand that each resident’s life is unique, and we aim to make our apartment homes the perfect foundation for each of them. Check out our complete amenity package that turns an apartment into a community makes 381 Congress Lofts home.
Amenities
We understand that each resident’s life is unique, and we aim to make our apartment homes the perfect foundation for each of them. Check out our complete amenity package that turns an apartment into a community makes 381 Congress Lofts home.
Amenities
* Pricing and availability are subject to change. Rent is based on monthly frequency.
**SQFT listed is an approximate value for each unit.