Picture this: morning beach walks under palms or sunset strolls past galleries and live music. If you’re choosing a second home in Key West, Casa Marina and Old Town offer two amazing but different lifestyles. You want the right fit for how you’ll use the home, whether that’s quiet retreats, walk‑everywhere nights, or rental income potential. In this guide, you’ll compare neighborhoods, understand short‑term rental rules, and follow a smart checklist to buy with confidence. Let’s dive in.
Casa Marina vs. Old Town at a glance
Casa Marina at a glance
Casa Marina sits on the Atlantic side of Old Town’s southern edge. It feels residential and relaxed, with larger lots by island standards, tropical landscaping, and a mix of midcentury and modern homes. Local guides consistently describe it as quieter than central Old Town and ideal if you want privacy, yard space, and easy beach time. Explore a neighborhood snapshot in this overview of Casa Marina’s character and lifestyle.
Many streets are a short walk to Higgs and the Casa Marina beachfront, while the south end of Duval Street is roughly a 20‑minute walk. If you picture coffee on the porch and afternoons by the water, Casa Marina tends to align with that pace.
Old Town at a glance
Old Town is the historic heart of Key West. You’ll find the island’s iconic wood‑frame cottages, narrow streets, and a highly walkable grid anchored by Duval Street, Mallory Square, and the seaport. For a quick primer on the district’s scope and architecture, see the Key West Historic District.
Energy and convenience define Old Town. Restaurants, galleries, and museums are close, and nightlife is part of the fabric. Duval Street is the nightlife spine with bars and live music, which means homes near Duval or Mallory Square can experience more foot traffic and late‑night noise. For a sense of that vibrant scene, browse a local overview of Duval‑area activities and nightlife.
Pick your best‑fit neighborhood
Use your primary goal to guide the choice. There is no wrong answer, only the right match for how you’ll use the home most.
If you want a pied‑à‑terre
- Choose Casa Marina if you value quiet nights, larger outdoor space, and quick beach access.
- Choose Old Town if you want to walk to restaurants, galleries, and events, and you plan to spend most of your time in town.
If you want a seasonal retreat
- Casa Marina works well for longer stays with family, pets, and beach days.
- Old Town suits shorter, activity‑packed visits when you want everything at your doorstep.
- Keep in mind that non‑transient rentals of 28 days or longer are broadly allowed. That can give you flexibility during months you are away.
If you want income potential
- Old Town tends to command strong demand because of proximity to Duval and the waterfront. However, truly nightly‑licensed properties are scarce and regulated.
- Casa Marina has demand for monthly stays, but nightly rentals depend on licensing status. If a property does not hold a valid transient license, plan on 28‑day minimums.
- In every case, verify licensing before you model returns.
Short‑term rentals: what you must know
Key West and Monroe County tightly regulate vacation rentals. Your income plan depends on the exact license your property holds.
County permit requirement. Monroe County’s Land Development Code requires a Special Vacation Rental Permit for properties used as vacation rentals and sets rules for management, noise, trash, and parking. Permits are nontransferable and actively enforced. Review the county’s vacation rental code and enforcement.
City licensing and medallions. The City of Key West treats transient, short‑term medallion licenses as a limited class in many residential areas. Truly nightly‑licensed homes are scarce, and verified license status can materially affect property value. See the city’s reported licensing framework in the City of Key West annual overview.
Practical takeaway. If a property lacks a valid transient license, you are generally limited to 28‑day minimum rentals. That shift changes revenue modeling. Always confirm records and renewals with the City and County. The county’s code outlines penalties and compliance obligations, including 24/7 local contacts and posted quiet hours.
Taxes. Owners must register for state sales tax and the county’s Tourist Development Tax. Some platforms may remit certain taxes, but owners remain responsible. Review the local guidance on Key West tax and compliance basics.
Insurance, flood, and maintenance
Owning in the Keys brings coastal benefits and coastal realities. Plan for flood mapping, wind standards, and salt‑air upkeep.
Flood zones and elevation. Use FEMA’s Map Service Center to confirm a property’s FEMA flood zone and panel, and order an Elevation Certificate during due diligence. Start with the official FEMA Flood Map Service Center.
Building and flood rules. Monroe County enforces the Florida Building Code and floodplain rules, including requirements that the lowest floor be at or above Base Flood Elevation in Special Flood Hazard Areas. Pre‑FIRM homes with low finished floors may need costly retrofits. See Monroe County building and floodplain requirements.
Insurance pricing today. FEMA’s Risk Rating 2.0 shifted NFIP pricing to a more property‑specific model, which increased premiums in many coastal areas. Obtain current NFIP and private quotes before you commit. Learn about Risk Rating 2.0.
Wind and corrosion. Expect higher operating costs for hurricane‑grade windows and doors, exterior painting, and HVAC and pool upkeep in a salt‑air climate. Budget conservatively and request vendor quotes. For a quick primer on local operating realities, review this summary of Key West compliance and ownership costs.
Historic district and renovations
Much of Old Town falls within the Key West Historic District and requires review by the Historic Architectural Review Commission for many exterior changes. That can add time and cost to projects, but it also protects the character that makes Old Town special. Before you plan additions, pools, or elevation work, check whether you will need a Certificate of Appropriateness. The city’s update on HARC procedures and guidance is a helpful starting point.
If you want a fully turnkey property with minimal renovation, Casa Marina’s mix of renovated homes and larger lots can be attractive. If you love restoring historic cottages, Old Town offers unique opportunities but requires patience and proper approvals.
Parking and everyday logistics
Parking is tighter on many historic Old Town blocks than in Casa Marina. When you evaluate properties, confirm on‑site parking, garage or carport access, and eligibility for residential permits. If you plan to host guests, think about where they will park, especially near Duval.
Your due‑diligence checklist
Use this list to avoid the most common surprises on closing day. Ask your agent to collect and verify these items during your inspection period.
- Confirm rental status in writing. Does the property hold a valid transient license for nightly rentals, or is it limited to 28‑day minimums? Request copies of the county permit, business tax receipts, manager license, and fire and life‑safety inspection certificates. Review the county’s vacation rental rules and enforcement.
- Verify license records with the City and County. If a listing claims transient licensing, confirm the license is current and correctly associated with the parcel. Note that many transient permits are nontransferable under county code.
- Order an Elevation Certificate and check FEMA flood maps. Then obtain NFIP and private flood quotes to understand true carrying costs. Start with the FEMA Map Service Center and review Risk Rating 2.0 basics.
- Confirm design and historic approvals. If the property is in Old Town, review prior HARC approvals and determine whether your planned changes will require a Certificate of Appropriateness. See the city’s HARC guidance.
- Get local property‑management proposals. You will need a 24/7 contact for rentals, along with trash, parking, and guest‑conduct plans. Ask for pro formas under both nightly (if licensed) and monthly scenarios. Review local compliance and tax considerations.
- Review maintenance and upgrade history. Request logs for roof, paint, HVAC, pool systems, and hurricane protection. Budget for salt‑air corrosion and exterior repainting.
- Confirm parking. Document on‑site parking or garage space and whether guest parking is workable for your typical use.
- Review HOA or condo rules. Many associations limit rental frequency or require minimum stays. Ask for written rental policies and any pending special assessments.
- If financing, confirm lender requirements. Expect flood insurance requirements in Special Flood Hazard Areas and possible reserve needs for second homes used as rentals.
Bottom line: how to choose with confidence
- Pick Casa Marina if your second home is about quiet, palms, and beach walks, with more outdoor space and privacy.
- Pick Old Town if you want a lock‑and‑leave base in the middle of restaurants, galleries, and sunset celebrations, with strong demand for monthly or, where licensed, nightly rentals.
- In either case, verify transient licensing, flood exposure, and renovation constraints early. That due diligence shapes both your lifestyle and your returns.
If you want a local, concierge partner to help you compare homes, model rental scenarios, and navigate permits and inspections, reach out to Stacy Stahl to start a conversation.
FAQs
What is the biggest lifestyle difference between Casa Marina and Old Town?
- Casa Marina is quieter and beach‑oriented with larger lots, while Old Town is the walkable historic core with more dining, culture, and nightlife nearby. See overviews of Casa Marina and the Key West Historic District.
Can you rent nightly in Old Town without a transient license?
- No. Nightly rentals require a valid transient license and compliance with city and county rules. Without it, you are generally limited to 28‑day minimums. Review the county’s vacation rental code.
Is Casa Marina really quieter than central Old Town?
- Yes. It is widely described as a quieter residential pocket near the beach, while homes close to Duval Street see heavier foot traffic and late‑night activity. For nightlife context, see this Duval‑area overview.
How do I check a property’s flood risk before I buy?
- Look up the property on the FEMA Flood Map Service Center, order an Elevation Certificate, and get both NFIP and private flood insurance quotes under Risk Rating 2.0.
What should I know about renovating a historic Old Town home?
- Many exterior changes require review by HARC and a Certificate of Appropriateness, which can affect cost and timeline. Start with the city’s HARC guidance.
What taxes apply if I rent my Key West home?
- You must register for Florida sales tax and Monroe County’s Tourist Development Tax, and follow local compliance rules. A quick primer is available in this Key West tax and compliance overview.
