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Seaport, Boston · Condominium Association

Echelon Seaport Condominiums

A 255-unit condominium community in Seaport, Boston.

Median Sale
$1.5m
Price / Sq Ft
$1703
Avg Days on Mkt
75 days
Sold
26
HOA Range
$1027–2458/mo
Total Units
255

Market figures reflect closed sales over the last 12 months. Data sourced from MLS PIN.

Homes for Sale in Echelon Seaport

Overview

Echelon Seaport is a 255-unit luxury resort-style condominium community in the heart of Boston's Seaport District, developed across two towers with a defined Phase 1 and Phase 2 (135 Seaport Blvd). Part of the Regent Hotel Collection, it markets itself on five-star, amenity-driven living, and recent sales bear that out: over the last 12 months, 26 units traded at a median price of $1,462,500, or roughly $1,703 per square foot, with an average of 75 days on market. Monthly HOA fees range from about $1,027 to $2,458 depending on unit size.

Amenities & Features

  • Over 50,000 SF of indoor and outdoor residential-only amenities
  • Multiple pools, including a Grand Pool, a Waterfall Pool, and 1 indoor plus 2 outdoor pools referenced across listings
  • Landscaped central courtyard and a European-inspired Piazza
  • Two levels of retail and restaurants within the building
  • Garage parking (self-park and valet, depending on residence), often included with the unit
  • Deeded private storage available on select high-floor residences

Interior finishes cited consistently across listings include:

  • White oak wood plank floors throughout
  • Open kitchens with custom Italian cabinetry (Stevali noted in one listing)
  • Integrated appliances by Thermador or Bosch
  • Spa-like marble baths
  • Floor-to-ceiling windows; 10-foot ceilings noted on premium 21st-floor residences
  • In-unit washer and dryer, plus practical touches like USB outlets

Unit Types & Layouts

The building offers a full spectrum of layouts. Studios with sleeping alcoves (e.g., #1221, #1901-type floorplans) sit at the entry point. One-bedroom and one-bedroom-plus-den homes are plentiful, including some of the larger 1-beds like Unit 815. Two-bedroom residences—many with 2 or 2.5 baths and split, en-suite bedroom arrangements—make up the bulk of the inventory, frequently paired with balconies and two valet parking spaces. At the top end are 2 BR-plus-study and 3 BR/3.5 BA corner residences, plus a 25th-floor Tower 1 penthouse (PH3A) offering 2,013 SF, two parking spots, and deeded storage. Private terraces up to 456 SF appear on select high-floor homes.

Living at Echelon Seaport

Positioned along Seaport Boulevard and B Street, residences capture varied exposures: Boston Harbor and World Trade Center views to the north and east, and south-facing outlooks toward the courtyard, pools, and the Blue Hills. The location places residents within Boston's newest dining, shopping, and entertainment destination, with the building's own retail and restaurant concourse just downstairs.

Recent Sales

Sold Jul 2026133 Seaport Blvd
$1.7m
133 Seaport Blvd #803
2 bd · 2 ba · 1,062 sqft · 85 days
Sold May 2026133 Seaport Blvd
$1.1m
133 Seaport Blvd #1112
1 bd · 1 ba · 700 sqft · 31 days
Sold May 2026133 Seaport Blvd
$1.5m
133 Seaport Blvd #1017
2 bd · 2 ba · 1,057 sqft · 63 days
Sold May 2026135 Seaport Blvd
$899,000
135 Seaport Blvd #1718
0 bd · 1 ba · 506 sqft · 0 days
Sold May 2026135 Seaport Blvd
$795,000
135 Seaport Blvd #1712
0 bd · 1 ba · 495 sqft · 51 days
Sold May 2026135 Seaport Blvd
$2.1m
135 Seaport Blvd #1020
2 bd · 3 ba · 1,406 sqft · 64 days

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About Your Echelon Seaport Expert

JR

Justin Rollo

Echelon Seaport Condominium Specialist · Signal Real Estate

Justin Rollo is a Massachusetts real estate expert with over a decade of experience and hundreds of South Shore transactions. He tracks every sale, pending, and price movement inside Echelon Seaport — so whether you're buying into the community or thinking about selling, you're working with someone who knows this specific association inside and out.

Ask Justin about Echelon Seaport →

Frequently Asked Questions

How much are condos at Echelon Seaport selling for?

Over the last 12 months, units at Echelon Seaport sold at a median of $1,462,500, about $1703 per square foot.

What are the HOA / condo fees at Echelon Seaport?

Monthly condo fees at Echelon Seaport currently range from roughly $1027.31 to $2458, depending on unit size and what the association's master policy covers.

How many units are in Echelon Seaport?

Echelon Seaport is a 255-unit condominium association in Boston, MA.

How fast do condos sell at Echelon Seaport?

Recent sales at Echelon Seaport averaged about 75 days on market, with 26 closings in the period.