Restrictions may apply.
- Pet friendly
- On-site Parking
- Studio–3 bed
Watermark Seaport
Your offers
2 offers$150 Cash Back
From Sunny · paid after move-in·
1% price drop
Was $3,721 · saves $39/mo
Your first-month savings
Restrictions may apply
Complete your preferences to get a proper evaluation.
Set PreferencesProperty location
85 Seaport Boulevard, Boston, MA 02210Featured Units
Pricing and availability
- A2
- 1 bed
- ·1 bath
- ·600 sqft
$3,870+ mo4Starting atUnits availableUnit 1113
Avail 10/24/2026
12 months lease$4,079 moPrice dropped on 09/17- -1%
$4,038 moUnit PH1713
Available now
12 months lease$4,463 moPrice dropped on 09/17- -1%
$4,423 moUnit PH1513
Available now
12 months lease$4,029 moPrice dropped on 09/17- -1%
$3,989 moUnit 913
Avail 11/28/2026
12 months lease$3,870 mo
- A1
- 1 bed
- ·1 bath
- ·553 sqft
$4,165+ mo1Starting atUnit availableUnit 1003
Available now
12 months lease$4,171 moPrice dropped on 09/19- -0.1%
$4,165 mo
- A4L
- 1 bed
- ·1 bath
- ·684 sqft
$4,219+ mo1Starting atUnit availableUnit 330
Available now
12 months lease$4,258 moPrice dropped on 09/19- -1%
$4,219 mo
- A1L
- 1 bed
- ·1 bath
- ·578 sqft
$3,609+ mo3Starting atUnits availableUnit 322
Avail 11/19/2026
12 months lease$3,721 moPrice dropped on 09/19- -1%
$3,682 moUnit 622
Avail 1/16/2027
12 months lease$3,923 moPrice dropped on 09/19- -1%
$3,884 mo
- A2L
- 1 bed
- ·1 bath
- ·579 sqft
$3,747+ mo1Starting atUnit availableUnit 328
Available now
12 months lease$3,786 moPrice dropped on 09/19- -1%
$3,747 mo
- A7
- 1 bed
- ·1 bath
- ·625 sqft
$4,159+ mo1Starting atUnit availableUnit PH1512
Avail 11/16/2026
12 months lease$4,200 moPrice dropped on 09/17- -1%
$4,159 mo
Amenities
- In unit laundry
- Hardwood floors
- Dishwasher
- Pet friendly
- Garage
- Stainless steel
Property details
Watermark Seaport is now offering socially-distant in-person tours by appointment only as well as virtual touring options! Call us today for more information! Watermark Seaport is a collection of luxury rental high-rise apartments and modern lofts. Located at the heart of Boston's Seaport Square, Watermark Seaport sits at the nexus of the bustling Financial District, burgeoning Seaport and historic Fort Point. Residences range from studios to three bedrooms and are complemented by an unparalleled amenity package.
When each offer lands
At signing
Property special applied
Any move-in special the property is running comes off what you owe them, handled by the property at lease signing.
At move-in
Cash Back unlocked
Once your move-in is confirmed, your Sunny Cash Back offer becomes available in your account.
Within 90 days
Cash Back paid to you
Claim it through Venmo or a Visa Gift Card. Renters have 90 days from move-in to claim — no property approval needed.