Updated
Watermark Seaport Apartments
85 Seaport Blvd, Boston, MA 02210
Live pricing, refreshed
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Pricing by Bedroom
Rent Distribution
Price by Bedroom
Price Breakdown
Rent by Unit
Price vs. Square Footage
Price History
Property Price Trend
Units with Price Changes (31)
Estimated Building Revenue
How is this calculated?
Rental revenue model
We follow each unit's listing activity at this building every day. When a unit stops being listed, we assume it leased at its last listed rent, adjusted for any advertised move-in special. Revenue is the sum of those assumed lease rents across the building's occupied units.
- Building size: stated by the property itself
- Occupancy: building size minus currently listed units
- Rents: observed lease-offs first, current asking rents as fallback
These are research estimates, not financial statements from the operator. Confidence: high (building size is reported).
Est. Monthly Revenue
$1.3M
$16M annual run rate
Est. Occupancy
95%
of about 346 units (reported building size)
Effective Rent on New Leases
$3,988
vs $4,570 current asking ($582 negotiation gap)
Recent Lease Activity
42 units tracked; 26 assumed leased, 16 listed nowSee which units leased, when they left the market, and the rent they leased at.
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How is this calculated?
Negotiation Leverage Score (0-100)
Based on 5 observable signals from the property's listing data:
- +30 pts: 15+ units currently listed
- +25 pts: Active move-in specials
- +20 pts: Deep discounts (>$150/mo off)
- +15 pts: 5+ distinct floor plans
- +10 pts: 25+ units listed
All signals come directly from the property's own listings. Occupancy and building size appear only in the Estimated Building Revenue section, and only when the building size is stated by the property or our unit-level observation history is deep enough to model it.
Listed Units
16
Good availability
14 floor plans
Move-in Specials
0
No active promotions
Negotiation Leverage
Some signals suggest room to negotiate, especially if you can be flexible on move-in date.
Price vs. D Street / West Broadway
NeighborhoodComparing 11 apartments in D Street / West Broadway. Click any bar to view that building.
Available Units
| Unit | Floor Plan | Bed/Bath | Sqft | ↑ Price | $/Sqft | Available | Listed | Details |
|---|---|---|---|---|---|---|---|---|
| 902 | E16 | Studio / 1ba | 408 | $3,306 | $8.10 | 2026-09-06 | Pro | |
| 1411 | E20 | Studio / 1ba | 427 | $3,692 | $8.65 | 2026-07-06 | Pro | |
| 222 | A1L | 1bd / 1ba | 579 | $3,886 | $6.71 | 2026-09-08 | Pro | |
| PH1604 | E24 | Studio / 1ba | 440 | $3,931 | $8.93 | 2026-07-06 | Pro | |
| PH1504 | E23 | Studio / 1ba | 438 | $3,938 | $8.99 | 2026-08-16 | Pro | |
| 328 | A2L | 1bd / 1ba | 579 | $3,975 | $6.87 | 2026-09-13 | Pro | |
| 1012 | A7 | 1bd / 1ba | 625 | $4,155 | $6.65 | 2026-09-06 | Pro | |
| 1212 | A7 | 1bd / 1ba | 625 | $4,223 | $6.76 | 2026-09-16 | Pro | |
| PH1513 | A2 | 1bd / 1ba | 600 | $4,250 | $7.08 | 2026-08-28 | Pro | |
| 1003 | A1 | 1bd / 1ba | 553 | $4,430 | $8.01 | 2026-08-29 | Pro | |
Unit Details
City Club
Resident Notes & Access Codes
Real tips from people who lived at this property: what leasing and daily living are actually like, plus the gate, parking, and entry codes you only learn once you move in. See all Boston, MA notes
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