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Property profile & analytics
OFF-MARKET
Office Spaces
540 Bay Isles Rd Longboat Key, FL 34228
Property ID
Property summary
AI-generated overview
This exceptional Class A, single-story office building, totaling 8,369 square feet, is situated on a 1.07-acre lot at 540 Bay Isles Road in Longboat Key, Florida (zip code 34228). Built in 1989 and renovated in 1995, the property boasts a prime location directly across from Town Hall, the Longboat Key Library, the Public Tennis Center, a Publix supermarket, several banks, and a public beach access point. Currently 100% occupied with a diverse tenant mix including The Longboat Key Center for Healthy Living, Fitness Quest, Youthful Aging Home Health, and the JCFS, all leases are set to expire on June 30, 2025. The building is zoned PD and offers significant flexibility
Property profile
Verified
Property type
Office Spaces
Year built
1989
Total area
8,369 SF
Lot
1.07 ac (46,609 SF)
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Implied cap rate, NOI & suggested price
Cap vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
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Doc Side Audiology Medical Clinic
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Tidewell Foundation Longboat Key Charitable Organization Social Service Agency
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Fitness Quest Physical Therapy-Longboat Key Medical Clinic
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Andrew Elton Physician
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Essence of Soleil Massage by Brandy Mixon, LMT MA38967 MM36920 Alternative Medicine Practice Spa & Massage Center
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
by Request
Owner & transaction history
Owner on record
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Cap rate
Implied · in-place · derived from last sale + estimated NOI
Implied Cap rate
#1
Implied · in-place · NOI ÷ last sale
In-place · derived from last sale + estimated NOI
Cap rate, NOI & submarket benchmark
Implied cap rate vs Longboat Key submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Longboat Key submarket · NOI estimate · typical band, median & reading
Refine your cap rate
8-question underwriting flow
1.
Property current status — Going-In vs Stabilized
2.
Price for denominator — asking / offer / market
3.
Leasing status & lease structure (NNN / Gross)
4.
Tenant risk profile & vacancy assumption
5.
Upload T12 / rent roll / OM (optional)
Refine in 60 seconds, get exact suggested price
T12 upload · Submarket benchmarks · Sensitivity grid
Suggested price · 3 cap rate anchors
Income approach @ 5% / 7% / 9% — aggressive / typical / conservative
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · Implied $/SF per anchor · Sensitivity grid
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · implied $/SF · sensitivity
Value
AI, CAP & Alternative Use estimations · Realmo proprietary blendValue Estimations
Based on Realmo’s proprietary methodology
AI Approach
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
Price per SF
Sale + rent benchmarks
Subject property
—
Submarket sale & rent benchmarks
Median sale $/SF · Asking & closed rent · Submarket vacancy
Submarket sale & rent benchmarks
Median sale $/SF · asking & closed rent · submarket vacancy
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
Similar Nearby for Lease
Recent comparable sales
Sale price & price/SF · Sale date & distance · Adjustments & confidence
Recent comparable sales
Sale price & $/SF · sale date & distance · adjustments
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Office Spaces
Status
Off-Market
Year built
1989
Total area
8,369 SF
Lot
1.07 ac (46,609 SF)
Zoning & alternative use
Zoning · permitted uses
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Building & site characteristics
From public records
Year built
1989
Lot
1.07 ac
Current owner
From public records · entity-resolved
Unknown
Ownership since
—
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
No recorded transactions
No recorded transactions found for this property.
Coming soon
Costs & Benchmarks
Operating expenses, capex projections, utility benchmarks, and submarket comparables — all in one view.
Coming soon
Risks
Flood, climate, environmental, title, and tenant-concentration risk — surfaced with mitigations and source citations.
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