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THE KEY TO WHAT'S NEXT

Family-Owned. Experienced. Personally Invested in Your Success.

Key Holder Realty is a family-owned brokerage founded by father-and-son team Frank and Miles Boyle, proudly serving buyers and sellers throughout Cape Cod and Boston. With more than 15 years of industry experience, Frank brings proven expertise in land, residential, and income-producing properties, while Miles brings a fresh perspective to the next generation of real estate.

Together, they combine local market knowledge, confident negotiation, and hands-on service to make every transaction clear, strategic, and personal. Whether you're buying your first home, selling, investing, or exploring land opportunities, Frank and Miles are committed to understanding your goals and guiding you from the first conversation through closing and beyond.

Key Holder Realty — Opening the door to what’s next.

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CAPE COD LISTINGS

 Your dream home might be closer than you think. Explore our latest featured listings and imagine the possibilities.

$74,000,000
99
99
82,602 Sq ft

Listing Agent: Christopher Sower

Listing Office: Cushman & Wakefield

Attribution contact: 617-816-5257

Virtual Tour
$45,000,000
7
13
11,200 Sq ft

Listing Agent: Alyssa Halisky

Listing Office: Wallace & Co. Sotheby's International Realty

Attribution contact: 508-525-2584

$44,500,000
6
10
10,609 Sq ft

Listing Agent: The Sarkis Team

Listing Office: Douglas Elliman Real Estate - The Sarkis Team

Attribution contact: 617-875-4950

$40,000,000
126,802 Sq ft

Listing Agent: Jeremy Freid

Listing Office: 128 CRE

Attribution contact: 617-916-1028

$38,000,000
5
7
10,803 Sq ft

Listing Agent: Khoury Group

Listing Office: Serhant

Attribution contact: 781-385-1695

$37,500,000

Listing Agent: Donald S. Sheldon

Listing Office: Donald Sheldon

Attribution contact: 978-884-3955

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Key Holder Realty | Cape Cod & Boston Real Estate Experts
The data relating to real estate for sale on this site comes from the Broker Reciprocity (BR) of the Cape Cod & Islands Multiple Listing Service, Inc. Summary or thumbnail real estate listings held by brokerage firms other than Placester Demo Office IDX are marked with the BR Logo and detailed information about them includes the name of the listing broker. Neither the listing broker nor Placester Demo Office IDX shall be responsible for any typographical errors, misinformation, or misprints and shall be held totally harmless. All properties are subject to prior sale, changes, or withdrawal.
The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors, landlords and public records, and were compiled by MLS Property Information Network, Inc. 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, leasing or renting 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, leasing or renting. MLS Property Information Network, Inc. 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.

Privacy Policy Notice: All information collected voluntarily from you will be used to personalize your experience, improve our website and improve our customer service. This information will not be shared with any other third persons or entities. Updated: 11th November, 2026 11:23 PM (UTC)
inception-app-prod/YTQzNWY4NDgtNzE3Ny00N2NjLWE3MjgtMjY2ODE2YmVkYTA5/content/2026/08/239a97718700002b6070ef53eea117de1d79b107.jpg


BOSTON LISTINGS

Whether you crave modern elegance or timeless charm, discover properties that truly feel like home.

$74,000,000
99
99
82,602 Sq ft

Listing Agent: Christopher Sower

Listing Office: Cushman & Wakefield

Attribution contact: 617-816-5257

Virtual Tour
$45,000,000
7
13
11,200 Sq ft

Listing Agent: Alyssa Halisky

Listing Office: Wallace & Co. Sotheby's International Realty

Attribution contact: 508-525-2584

$44,500,000
6
10
10,609 Sq ft

Listing Agent: The Sarkis Team

Listing Office: Douglas Elliman Real Estate - The Sarkis Team

Attribution contact: 617-875-4950

$40,000,000
126,802 Sq ft

Listing Agent: Jeremy Freid

Listing Office: 128 CRE

Attribution contact: 617-916-1028

$38,000,000
5
7
10,803 Sq ft

Listing Agent: Khoury Group

Listing Office: Serhant

Attribution contact: 781-385-1695

$37,500,000

Listing Agent: Donald S. Sheldon

Listing Office: Donald Sheldon

Attribution contact: 978-884-3955

No results found

Please remove some of the selected filters.
Key Holder Realty | Cape Cod & Boston Real Estate Experts
The data relating to real estate for sale on this site comes from the Broker Reciprocity (BR) of the Cape Cod & Islands Multiple Listing Service, Inc. Summary or thumbnail real estate listings held by brokerage firms other than Placester Demo Office IDX are marked with the BR Logo and detailed information about them includes the name of the listing broker. Neither the listing broker nor Placester Demo Office IDX shall be responsible for any typographical errors, misinformation, or misprints and shall be held totally harmless. All properties are subject to prior sale, changes, or withdrawal.
The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors, landlords and public records, and were compiled by MLS Property Information Network, Inc. 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, leasing or renting 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, leasing or renting. MLS Property Information Network, Inc. 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.

Privacy Policy Notice: All information collected voluntarily from you will be used to personalize your experience, improve our website and improve our customer service. This information will not be shared with any other third persons or entities. Updated: 11th November, 2026 11:23 PM (UTC)

Take the Next Step

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REQUEST YOUR HOME VALUE

Get a straightforward look at your home's market position in Harwich or nearby Cape Cod communities before you make a move.
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COMMUNITIES

Browse our featured communities and see why these areas are more than just locations—they’re vibrant places to live, work, and grow.

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GET IN TOUCH

Reach Key Holder Realty for buyer guidance, selling support, or a home valuation in nearby Cape Cod and Boston communities.

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