Listing Tools

NEWLY PRICED! PRICED TO SELL! Rare waterfront two-family in Winthrop's sought-after Cottage Park neighborhood, offering stunning views of the Bay, Harbor, marsh, and ocean, a lifestyle feature you simply can't replicate at this price point. Built in 1920, this classic 2,635 sq ft two-story home sits on a 5,227 sq ft lot just steps from the beach. A perfect opportunity for first-time buyers or savvy investors. Unit 1 rents for $3,100/mo and Unit 2 for $4,000/mo, generating $85,200 in gross annual income with a net of $76,900. Five bedrooms, two full baths, and a versatile layout ideal for extended families. The property features an enclosed porch, deck, fenced yard, professional landscaping, and individually metered electric. Minutes from downtown Boston via Rt. 1A. Don't miss this opportunity; schedule your private showing today!

More Info

Basic Information

  • Gross Income $85,200
  • Lot Features Other
  • Mls StatusActive
  • Parcel Number M:0022 B:0091 L:0000,1421230

Location

  • Address66 Sunnyside Avenue
  • Building Number66
  • CountySuffolk
  • NeighborhoodCottage Park
  • StateMA
  • StreetSunnyside Avenue
  • SubdivisionCottage Park
  • TownWinthrop
  • Zip02152

Utilities

  • Electric Circuit Breakers, Individually Metered
  • Sewer Public Sewer
  • Water Source Public

Amenities

  • Other AmenitiesWaterfront, Water View

Water Body

  • Miles to Beach0.3
  • WaterfrontYes
  • Waterfront Features Waterfront, Bay, Ocean,1/10 to 3/10 To Beach, Beach Ownership(Public)

Tax Information

  • Tax Assessed Value $891,200
  • Tax Year 2026
  • Taxes$9,928

Rooms

  • Bathroom2
  • Bathrooms Total Decimal 2
  • Bedrooms5
  • Full Bath2

Building

  • BasementWalk-Out Access, Interior Entry, Sump Pump, Concrete
  • Building Area Units Square Feet
  • FoundationBrick/Mortar
  • Levels 3
  • Patio And Porch Features Enclosed, Deck
  • Rooms16
  • Stories3
  • Units2
  • Year Built1920
  • Year Built Details Actual
  • Year Built Source Public Records

Parking

  • Open Parking YN Yes
  • Parking Features Off Street, Paved
  • Parking Spaces2

Basic Information

  • List Price$999,888
  • MLS Number73529063
  • Modification Date07/14/2026
  • Property SubTypeMulti Family

Property

  • Acreage0.12

Exterior

  • Exterior Features Professional Landscaping
  • Fencing Fenced
  • RoofRubber

Property Information

  • Building Area Source Public Records
  • Living Area 2,635
  • Lot Size Square Feet 5,336
  • Lot Size Units Acres
  • Square Feet2,635

Other

  • Date Listed06/03/2026
  • Farm Land Area Units Square Feet
  • View Count1

Map Location

Listed by Mirna Monterrosa Orellana of COM-PRO Real Estate Services,Inc

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. (MLSPIN) from third party sources, including sellers, lessors and public records, and were compiled by MLSPIN. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLSPIN and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

I agree to receive marketing and customer service calls and text messages from In Realty Inc. To opt out, you can reply 'stop' at any time or click the unsubscribe link in the emails. Consent is not a condition of purchase. Msg/data rates may apply. Msg frequency varies. Privacy Policy.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

$

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.