Primary residence Strong
Amenities and daily convenience reward residents who use the building fully.
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Echelon Seaport
Pools, fitness, and a lively resident community.
Indoor and outdoor pools, a basketball court, fitness spaces, and resident lounges in the heart of Seaport. A place for buyers who want an active building community and restaurants close by.
133–135 Seaport Boulevard, Boston, MA 02210DeveloperBoston Global Investors
ArchitectKohn Pedersen Fox
Condo scale447 residences
Amenity spaceAbout 50,000 sq. ft.
Current asking range—
Public homes—
Median ask—
Live-sale statuses: NEW, ACT, PCG, BOM, EXT, and RAC. Updated only after complete MLS PIN verification.
Building character Team analysis
PrivacyActive
Amenity breadthExtensive
Hospitality serviceFull-service
Retail proximityAt the door
Inventory depthHighest
See the building in context.
A closer look at the spaces, amenities, and waterfront setting that define the experience.
Buyers who want amenities, energy, and choice.
This is a use-case profile, not a demographic claim. The strongest fit still depends on the exact residence, monthly cost, and how you plan to use the home.
Pied-à-terre Strong
Service, parking, and on-site life make intermittent stays easy.
First Seaport purchase Very strong
The widest range of sizes and prices creates more ways to enter the neighborhood.
Investor Selective
Rental appeal is real, but supply, fees, rules, and same-line competition must be underwritten.
Amenity depth, convenience, and choice.
- Deepest amenity program in the Seaport condominium set
- Broadest range of sizes, layouts, and price points
- Retail, dining, fitness, and services immediately downstairs
- More inventory can improve buyer choice
Compare the tower, line, and total monthly cost.
- A larger ownership base usually gives buyers more same-building choices
- The active, social atmosphere best suits buyers who want energy over discretion
- Tower, line, parking, and monthly charges vary
- Confirm the exact condominium tower and amenity access; the larger development also includes rental residences
Indoor and outdoor pools, wellness, social, and work space.
Amenity access, hours, staffing, fees, and rules can evolve. We confirm the current details for any residence under consideration.
Arrival + service
- 24-hour concierge
- Valet service
- Multiple residential arrivals
Pools + wellness
- Indoor pool
- Two outdoor pools / terraces
- Full-service fitness center
- Spa and indoor basketball court
Social + work
- Resident sky lounges
- Innovation Center / workspaces
- Tasting and dining spaces
- Multiple outdoor terraces
Practical
- Underground parking by residence
- Ground-level retail and dining
- Pet-oriented spaces; verify current rules
How buyers judge value at Echelon.
Buyer comparison set
Same tower and line first, then other Echelon plans at the same total cost. Waterfront alternatives are context, not automatic comps.
What creates the premium
A differentiated view, efficient layout, parking, outdoor space, and separation from a crowded same-line field.
Sale preparation
Audit every competing listing, establish true market exposure, and make the residence’s specific advantage obvious in the first screen.
The details worth confirming.
We verify these items before judging the asking price or advising on an offer.
- 01
133 versus 135 Seaport tower and amenity access
- 02
Exact line, exposure, and view permanence
- 03
Same-line competition and true cumulative market time
- 04
Parking rights and separate charges
- 05
Condominium fee, reserve, and capital plan
- 06
Rental cap, lease minimums, and investor concentration
What serious buyers want to know.
What is the difference between 133 and 135 Seaport Boulevard?+
They are the two condominium towers within the larger Echelon development. Floor plans, lines, views, parking, and proximity to individual amenities vary, so buyers should confirm the exact address and association details.
Do condominium owners have access to every Echelon amenity?+
Access can depend on tower, association rules, operating arrangements, and current policies. Verify the specific pools, fitness areas, lounges, terraces, workspaces, and services included with the residence.
Which Echelon residences tend to hold their value best?+
The strongest performers are usually differentiated by view, layout, outdoor space, parking, condition, or scarcity. A residence with many same-line competitors needs especially disciplined pricing.
Is Echelon a good option for a pied-à-terre or rental property?+
Its service, amenities, and central location can suit both uses. Buyers should confirm lease minimums, rental restrictions, fees, parking, and the current supply of comparable homes before underwriting the decision.
Sources and scope
Building scale, completion, design, and amenity claims are based on the cited developer, architect, and project sources. Live asking data is verified separately. Team-analysis labels are judgments, not facts. No public guide substitutes for condominium documents, lender review, legal advice, an inspection, or residence-specific market work.
Find the right Echelon residence.
Ask us for current inventory, recent same-building sales, the strongest available lines, and the residence-specific details that matter before a tour or offer.