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Marykay Shumway

Marykay Shumway
Real Estate Agent
Sister Bay WI

(WI: )

22 years experience

REALTOR® 11 Active Listings Serves Door County, WI
View on Realtor.com

Contact Information

Brokerage
Dwell Door County

Office Website
Office Address
2294 Sunset Drive- Po Box 108
Sister Bay, WI  54234
(Door County)
Office Phone
920-854-3444
Office Fax
920-854-4553
Mobile
920-421-0038
Email
shum******@*****.com
Show Email for $5

Service Areas

Sister Bay: WI Ephraim: WI Egg Harbor: WI Fish Creek: WI Ellison Bay: WI Jacksonport: WI Maplewood: WI Baileys Harbor: WI

About Marykay Shumway

**Broker Associate at The Kellstrom-Ray Agency**

With nearly two decades of experience in the real estate sector, this top-producing Broker Associate at The Kellstrom-Ray Agency, a cornerstone of Door County real estate since 1948, is dedicated to facilitating seamless transactions for buyers and sellers alike. Specializing in Door County properties, they are committed to helping clients discover their ideal homes or maximize the value of their sales.

**Why Choose This Broker Associate for Your Door County Real Estate Needs?**

1. **Proven Track Record**: Recognized annually as a multi-million dollar producer in listings and sales at Kellstrom-Ray Agency.
2. **Industry Recognition**: Honored as Door County REALTOR of the Year in 2008 and a member of the Door County Board of Realtors Honors Society from 2005 to 2022.
3. **Leadership Roles**: Served as President of the Door County Board of Realtors in 2017 and has held directorial positions from 2005 to 2011 and 2014 to 2023.
4. **Chairman Circle Member**: Acknowledged by The Real Estate Group from 2010 to 2015 for outstanding performance.
5. **Professional Affiliations**: Active member of the National Association of REALTORS and the Wisconsin REALTORS Association.
6. **Expertise in Luxury and Waterfront Properties**: Specializes in high-end and waterfront real estate.
7. **Residential Sales Specialist**: Extensive experience in single-family homes and condominiums.
8. **Vacant Land Expertise**: Knowledgeable in vacant land opportunities throughout Door County, with a background as a former Planning Commissioner.
9. **Accredited Buyer Representative (ABR)**: Holds certification to better assist buyers in their property searches.
10. **Consistent Performance**: A regular top producer within the Door County MLS.
11. **Award-Winning Professional**: Recipient of multiple international awards, including the Diamond Award and Pinnacle Award.
12. **Certified Residential Specialist (CRS)**: Demonstrates a commitment to excellence in residential real estate.
13. **Client-Centric Approach**: Known for glowing testimonials from satisfied clients.

For those looking to buy or sell a property in Door County, this Broker Associate is ready to provide expert guidance and support. Contact today to learn how they can assist you in achieving your real estate goals.

Door County, WI Real Estate Market Analysis (Single Family Homes)

$778,856
Avg. Listing Price
From Marykay's portfolio
3.1 / 2.2
Avg. Beds/Baths
Typical property size
2,034 sf
Avg. Square Footage
Interior living space
109
Active Listings
Current inventory

Door County, Wisconsin's real estate market operates as a unique seasonal ecosystem where lakefront properties and charming small-town communities create one of the Midwest's most distinctive housing landscapes. This peninsula jutting into Lake Michigan has evolved from a quiet agricultural region into a premier vacation destination, fundamentally transforming its property values and market dynamics over the past two decades.

The county's real estate market is supported by 72 total actively licensed agents, all of whom maintain email contact information, creating a surprisingly well-connected professional network for a region with fewer than 30,000 year-round residents. This tight-knit agent community navigates everything from historic farmhouses in Brussels to luxury waterfront estates in Ephraim, making their local expertise invaluable for both seasonal buyers and permanent residents.

Major Door County, Wisconsin Real Estate Markets

Sturgeon Bay serves as the county's largest city and primary year-round market, offering the most diverse housing stock from affordable starter homes to executive properties. The city's working waterfront and ship-building heritage create a different market dynamic compared to the tourist-focused northern communities. Fish Creek, Ephraim, and Sister Bay represent the high-end seasonal markets where historic cottages and modern lakefront homes command premium prices, often selling to Chicago-area buyers seeking weekend retreats.

The southern Door County communities of Forestville, Brussels, and Namur maintain more agricultural character with larger parcels and rural properties appealing to buyers seeking privacy and space. Meanwhile, Baileys Harbor and Jacksonport on the Lake Michigan side offer a middle ground between the bustling tourist towns and quiet rural areas, attracting both retirees and families looking for small-town charm with water access.

Market Dynamics and Geographic Complexity

Door County's real estate market operates on two distinct seasonal rhythms that create unique opportunities and challenges. Summer months see intense activity as out-of-state buyers compete for limited waterfront inventory, often driving prices well above assessed values. However, winter months reveal a completely different market where local buyers can find better deals on non-waterfront properties, and cash transactions become more common due to financing complexities in seasonal markets.

The peninsula's geography creates micro-markets with surprising price variations within short distances. Properties on the Green Bay side typically sell for less than comparable Lake Michigan frontage, while elevation and water views can add six-figure premiums even to modest cottages. This geographic complexity requires agents with hyperlocal knowledge of everything from seasonal road access to municipal water availability.

Why Businesses Need Door County, Wisconsin Agent Contact Data

Mortgage lenders, insurance companies, and home service providers face unique challenges in Door County's seasonal market where timing and local relationships prove crucial for business success. The county's 72 licensed agents represent the primary gateway to a market where personal referrals and established relationships often determine business opportunities, making direct agent contact essential for companies seeking to establish or expand their presence.

Property management companies, vacation rental services, and construction contractors particularly benefit from agent connections since many Door County properties require specialized maintenance and seasonal preparation services. These agents understand which properties need winterization, septic system updates, or dock repairs, creating valuable referral opportunities for businesses that can demonstrate reliability in this close-knit community.

Current Property Listings

As of 2/17/2026, Marykay Shumway has 11 properties for sale in Sister Bay and surrounding areas. These are the top 10 listings.

$2,100,000

Listed 2025-12-05

5796 N Cave Point Dr
Jacksonport, WI  54235

Beds: 3.0
Baths: 2.0
Sq Ft: 2,408
Lot: 96,703 sf
Single Family Map
View Full Details

$2,499,900

Listed 2025-02-12

11025 Liberty Park Ln Unit 5
Sister Bay, WI  54234

Beds: 4.0
Baths: 4.5
Sq Ft: 4,646
Townhomes Map
View Full Details

$800,000

Listed 2025-12-05

N Cave Point Dr
Jacksonport, WI  54235

Beds:
Baths:
Sq Ft:
Lot: 49,658 sf
Land Map
View Full Details

$329,900

Listed 2025-11-07

10701 Timber Ridge County Rd Unit 8B30
Sister Bay, WI  54234

Beds: 2.0
Baths: 1.5
Sq Ft: 1,216
Condos Map
View Full Details

$99,900

Listed 2025-08-29

Fawn Ln
Gills Rock, WI  54210

Beds:
Baths:
Sq Ft:
Lot: 65,340 sf
Land Map
View Full Details

$1,200,000

Listed 2025-09-04

633 Isle View Rd
Ellison Bay, WI  54210

Beds: 3.0
Baths: 3.0
Sq Ft: 2,128
Lot: 217,800 sf
Single Family Map
View Full Details

$599,900

Listed 2025-08-02

Europe Lake Ln
Ellison Bay, WI  54210

Beds:
Baths:
Sq Ft:
Lot: 32,670 sf
Land Map
View Full Details

$1,350,000

Listed 2025-08-16

12448 Landin Ln
Ellison Bay, WI  54210

Beds: 3.0
Baths: 2.0
Sq Ft: 1,826
Lot: 40,511 sf
Single Family Map
View Full Details

$185,000

Listed 2025-07-03

Townline Rd
Ephraim, WI  54211

Beds:
Baths:
Sq Ft:
Lot: 65,340 sf
Land Map
View Full Details

$180,000

Listed 2025-07-03

Townline Rd
Ephraim, WI  54211

Beds:
Baths:
Sq Ft:
Lot: 65,340 sf
Land Map
View Full Details

Current Property Rentals

Marykay Shumway currently has no rental properties available in Sister Bay and surrounding areas. Check back later.