```
Karen Williams Decastro

Karen Williams Decastro
Real Estate Agent (Broker Sales)
Key Largo FL

Broker Sales (FL: 3314299)

11 years experience

REALTOR® 2 Active Listings Serves Monroe County, FL
View on Realtor.com

Contact Information

Brokerage
Lpt Realty Llc

Office Website
Office Address
44 Hibiscus Ln
Key Largo, FL  33037
(Monroe County)
Office Phone
877-366-2213
Office Fax
Mobile
305-451-1020
Email
kwil*************@*****.com
Show Email for $5

Service Areas

North Key Largo: FL Key Largo: FL Islamorada Village of Islands: FL Tavernier: FL Islamorada: FL Key Colony Beach: FL Grassy Key: FL Duck Key: FL Marathon Shores: FL Marathon: FL Key West: FL East Rockland Key: FL Big Coppitt Key: FL Stock Island: FL Little Torch Key: FL Middle Torch Key: FL Cudjoe Key: FL Summerland Key: FL Sugarloaf: FL Lower Sugarloaf Key: FL Ramrod Key: FL Upper Sugarloaf Key: FL Big Torch Key: FL Sugarloaf Key: FL Big Pine Key: FL Layton: FL Long Key: FL Homestead: FL Florida City: FL Flamingo Lodge: FL Homestead Base: FL Leisure City: FL Goulds: FL Cutler Bay: FL Quail Heights: FL South Miami Heights: FL Miami: FL

About Karen Williams Decastro

**Karen Williams: Dedicated REALTOR® and Community Advocate**

Karen Williams is a seasoned real estate professional with deep roots in the Florida Keys. Raised in this picturesque region by her parents, the late Clyde Edward Williams and Doris Jean Williams, Karen embodies the values of hard work and community service instilled in her from a young age. With a robust background in the hospitality industry, she spent 17 years as a Restaurant Manager before transitioning to a full-time career as a REALTOR® with Better Homes and Gardens Real Estate Destinations.

Guided by a commitment to ethical practices, Karen adheres to the National Association of REALTORS® Code of Ethics and Standards of Practice. She is a staunch advocate for Fair Housing and Equal Opportunity, aligning her work with the One America Principles established by President Clinton and the Department of Housing and Urban Development (HUD). Karen is particularly passionate about promoting equality for all, including the LGBTQ community, as emphasized by the Human Rights Campaign.

Karen understands the significance of informed decision-making in real estate transactions. She recognizes that the choices made today can have lasting financial implications. With her extensive knowledge of local market conditions, she strives to transform what can often be a stressful process into a seamless experience for her clients.

As a proud mother of grown twin sons, Karen values family above all else. She believes that her role as a REALTOR® allows her to build lasting relationships with her clients, often considering them as part of her extended family. "The greatest part about being a REALTOR® is helping my buyers and sellers," she shares. "There is nothing more rewarding than facilitating a sale or connecting clients with their dream home."

In addition to her real estate work, Karen is actively involved in various professional and community organizations. She serves as the Chair of the MLS Committee and the REALTOR® Education Committee, and is a Director on the Florida Keys Board of REALTORS®. Her commitment to community service extends to her roles as Vice President and Treasurer of the Shooting for the Stars Charitable Organization and as a volunteer for Operation Bedroll and the United Way of Collier and the Florida Keys.

Karen's extensive experience in the local market makes her an invaluable resource for anyone looking to relocate within the area. She emphasizes her personal approach to real estate, stating, "I’m not just a tool for pointing out properties; I’m a dedicated professional who genuinely cares about understanding your needs."

For inquiries about her services or insights into the local market, Karen welcomes potential clients to reach out at their convenience.

Monroe County, FL Real Estate Market Analysis (Single Family Homes)

$2,566,329
Avg. Listing Price
From Karen's portfolio
3.4 / 3.0
Avg. Beds/Baths
Typical property size
2,076 sf
Avg. Square Footage
Interior living space
1571
Active Listings
Current inventory

Monroe County, Florida represents one of the most unique real estate markets in the United States, stretching across the iconic Florida Keys archipelago from Key Largo to Key West. This tropical paradise market operates under extraordinary constraints that make it unlike any other coastal region, with limited land availability creating a supply-restricted environment that drives both opportunity and complexity for real estate professionals.

The county's real estate landscape is served by 2,309 actively licensed agents, all of whom maintain email contact information, reflecting the tech-savvy nature required to navigate this specialized market. These professionals must master everything from hurricane-resilient construction standards to complex flood zone regulations while serving clients ranging from local fishing families to international luxury buyers seeking their slice of Caribbean-style living just 90 miles from Cuba.

Major Monroe County, Florida Real Estate Markets

Key West anchors the county's luxury market as the southernmost city in the continental United States, where historic Conch Republic charm meets million-dollar waterfront estates. The island's limited 4.2 square miles support everything from quaint Old Town cottages near Duval Street to expansive harbor-front compounds, while Islamorada has emerged as the sportfishing capital with some of the highest per-square-foot values in Florida due to its exclusive resort atmosphere and world-class marina infrastructure.

The Upper Keys, including Key Largo and Tavernier, offer the most accessible entry points to Keys living while maintaining proximity to mainland Florida amenities. Marathon serves as the geographic and commercial heart of the Middle Keys, featuring the largest year-round population and most diverse housing stock, from affordable mobile home communities to luxury canal-front properties with deep-water access to both the Atlantic Ocean and Florida Bay.

Market Dynamics and Geographic Complexity

Monroe County's real estate market operates under the unique constraint of the Rate of Growth Ordinance (ROGO), which strictly limits new residential construction to preserve the fragile ecosystem and infrastructure capacity. This creates an unusual dynamic where teardown and renovation projects often represent the primary path to modern housing, driving construction costs significantly above mainland Florida averages while maintaining property values through scarcity.

Hurricane risk and flood insurance requirements add layers of complexity that separate experienced Keys agents from mainland practitioners. Properties must navigate FEMA flood zones, wind mitigation standards, and elevation requirements that can dramatically impact both insurability and marketability, creating a specialized knowledge base that makes local expertise invaluable for successful transactions.

Why Businesses Need Monroe County, Florida Agent Contact Data

Insurance companies, mortgage lenders, and construction contractors require direct access to Monroe County's agent network to navigate the specialized requirements of Keys real estate transactions. These professionals serve as essential liaisons for understanding flood zone determinations, wind mitigation credits, and hurricane-resistant construction standards that directly impact underwriting and project feasibility in this high-risk, high-value market.

Technology providers, luxury service companies, and marine industry businesses find Monroe County agents invaluable for identifying affluent property owners who represent prime prospects for high-end products and services. The concentration of vacation homes, investment properties, and luxury waterfront estates creates unique opportunities for businesses targeting sophisticated buyers who often maintain multiple residences and require premium services across various lifestyle categories.

Current Property Listings

As of 3/27/2026, Karen Williams Decastro has 2 properties for sale in Key Largo and surrounding areas.

$899,999

Listed 2025-11-26

222 2nd Rd
Key Largo, FL  33037

Beds: 3.0
Baths: 2.0
Sq Ft: 1,556
Lot: 7,575 sf
Single Family Map
View Full Details

$650,000

Listed 2026-02-08

34 Hibiscus Ln
Key Largo, FL  33037

Beds: 3.0
Baths: 2.0
Sq Ft: 1,305
Lot: 7,000 sf
Single Family Map
View Full Details

Current Property Rentals

Karen Williams Decastro currently has no rental properties available in Key Largo and surrounding areas. Check back later.