# 99 Sumner St 310, Boston, MA 02125

> **TL;DR:** 1bd/1ba condo, $749,000 ($1012/sqft), built 2020, 740 sqft.
> Waterfront, View. Est. $3,246/mo.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $749,000 |
| Price/sqft | $1012 |
| Bedrooms | 1 |
| Bathrooms | 1 full |
| Square Feet | 740 |
| Year Built | 2020 |
| Property Type | Condo (Condominium) |
| Status | For Sale |
| Days on Market | 0 |

## Why This Home Stands Out

- **Waterfront** - Direct water access
- **Views** - Water

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Mortgage (20% down, 6.5%) | $3,246 |
| **Total** | **$3,246** |

## Key Amenities

- Waterfront
- View

## Property Highlights

- Built in 2020
- 1 parking spaces
- Waterfront

## Description

### Agent Description
Recent construction.  The Mark is a full service waterfront building in East Boston.  Sweeping views to the city skyline over Boston Harbor.  Just a two minute walk to Maverick Square MBTA, and water shuttles.  Concierge, fitness center, golf simulator, club room, library, fire pits and grills.  Resort style living on the water.  Condo fee includes parking monthly maintenance fee.  Elegantly finished unit with ample closet space, Bosch appliances Silestone quartz counter tops.  Oversized windows and a peekaboo view of the water from the living room.

## Location

- **Address:** 99 Sumner St 310, Boston, MA 02125
- **County:** Suffolk
- **Coordinates:** 42.369513, -71.04254
- **Google Maps:** https://www.google.com/maps?q=42.369513,-71.04254

## Listing Agent

- **Name:** Samantha Berdinka
- **Brokerage:** Engel & Völkers Boston
- **Email:** Boston@engelvoelkers.com

## Primary Photo

![99 Sumner St 310 - Primary Photo](http://lh.rdcpix.com/8ced27397c1ce9b9567f5d8eac79031fl-f979781272r.jpg)

*18 total photos available on [listing page](https://www.propertysimple.com/listing/99-sumner-st-310-boston-ma-02125-73503476)*

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**MLS#:** 73503476 | **Updated:** 2026-04-24
**Source:** listhub

*Copyright © 2026 Engel & Völkers. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.*

[View on PropertySimple](https://www.propertysimple.com/listing/99-sumner-st-310-boston-ma-02125-73503476)

---

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  "description": "Recent construction.  The Mark is a full service waterfront building in East Boston.  Sweeping views to the city skyline over Boston Harbor.  Just a two minute walk to Maverick Square MBTA, and water shuttles.  Concierge, fitness center, golf simulator, club room, library, fire pits and grills.  Resort style living on the water.  Condo fee includes parking monthly maintenance fee.  Elegantly finished unit with ample closet space, Bosch appliances Silestone quartz counter tops.  Oversized windows",
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