
5153 ISLA KEY BOULEVARD S UNIT 408, ST PETERSBURG, FL, 33715
Active196 days on marketListed Jan 30, 2026MLS #O6377288
About this home
5153 ISLA KEY BOULEVARD S UNIT 408
Wake up to sweeping Boca Ciega Bay views and end each day with unforgettable sunsets from this fully renovated, turnkey penthouse retreat. Thoughtfully redesigned and professionally furnished in a refined coastal-modern style, this fully furnished residence offers three bedrooms, soaring ceilings, and light-filled living spaces that blend luxury with relaxed waterfront living. The stunning custom kitchen was completely reimagined to create an open-concept layout centered around an oversized quartz island with seating, designer finishes, and expansive water views that flow seamlessly into the dining and living areas. An electric fireplace adds warmth and ambiance for relaxed evenings overlooking the bay. The primary suite offers spa-inspired comfort with a king bed and beautifully renovated ensuite bath, while the guest accommodations provide flexibility for visitors and extended stays. Resort-style amenities include a waterfront pool and spa overlooking the bay, tennis and pickleball courts, lush tropical grounds, and an unbeatable location just minutes from St. Pete Beach, Pass-a-Grille, Tierra Verde, and Fort De Soto Park. One assigned parking space included along with high-speed internet and cable. One-month minimum stay required. Seasonal and extended stays available. No pets permitted.
Facts & features
The home at a glance
3
Bedrooms
2
Bathrooms
1,325
Sqft
0 ac
Lot size
1987
Year built
One
Levels
$4
Per sqft
Inside
Outside & construction
Community & fees
Utilities & systems
The numbers
What it really costs
Principal and interest plus estimated taxes and insurance. Run your own numbers below.
$201 /mo · 3.5% down FHA, 30-yr fixed at 6%
The assumptions
FHA is the default here because it gets you in the door with just 3.5% down. Switch to Conventional or VA below.
These numbers assume a generic buyer — your credit, down payment and loan program change them. Get the real quote in minutes:

Andrew Acosta
Acosta Home Loans with PRMG · NMLS #1468866
Run your own numbers
Estimated payment
$201/mo
Includes FHA mortgage insurance and the financed 1.75% upfront premium. Estimates only — taxes at 1.1%/yr and typical insurance; your lender’s numbers will differ. CENTURY 21 Edge partners with Florida’s best lenders.
Value check
Is the price right?
The internet’s favorite home-value number comes from a single automated model that has never seen the street, the finishes, or the view — which is why it routinely misses by tens of thousands of dollars. The edgeAI estimate combines multiple independent data sources with our team’s on-the-ground expertise in this exact market.
$/sqft vs ISLA KEY CONDO
$4 vs $398
Days on market
196 vs 57 typical
Where $4/sqft sits among the 6 homes for sale in ISLA KEY CONDO
The edgeAI estimate is a starting point, not an appraisal or a broker price opinion. It is generated from public records, listing data and market modeling, and is subject to change once a licensed real estate professional personally inspects the property. Condition, floor, view and lot are not fully captured by any model — ask us for a full comparative market analysis.
Where it sits
Inside Bayway Isles
Drive times from this address
Estimated driving times, typical traffic. Data © OpenStreetMap contributors.
Get to know St Petersburg. See the full St Petersburg guide →
Bayway Isles — neighborhood snapshot
Population
1,734
Median age
69
Median income
$52,097
Median home value
$470,700
Avg household
2
Households w/ children
43%
For the school run
Pinellas County School District
School assignments and ratings via edgeAI — always verify with the district.
The numbers that matter
The St Petersburg market
$380K → $402K
St Petersburg median sold, yr/yr
95.8%
Sale-to-list ratio (12 mo)
4 of 6
ISLA KEY CONDO have cut their price
Median sold price, St Petersburg, trailing 36 months (3-month rolling) · live MLS data.
This home is listed 98% below the ST PETERSBURG 33715 median. See the full St Petersburg market guide →
Paper trail
This home's history
Reality check
What actually sold near 5153 ISLA KEY BOULEVARD S UNIT 408
Asking prices are opinions — closed sales are facts. The most comparable homes that actually changed hands nearby in the last twelve months.
Sold · Feb ’26$585,000
5155 ISLA KEY BOULEVARD S UNIT 401 · same community
2 bd · 2 ba · 1,255 sqft · $466/sqft · 65 DOM
Sold · Mar ’26$613,550
5279 ISLA KEY BOULEVARD S UNIT 113 · same community
2 bd · 2 ba · 1,255 sqft · $489/sqft · 27 DOM
Sold · Sep ’25$629,000
5279 ISLA KEY BOULEVARD S UNIT 313 · same community
2 bd · 2 ba · 1,255 sqft · $501/sqft · 151 DOM
Closed-sale data from the MLS, last 12 months, selected for similarity in size and location. No two homes are identical — ask us for a full comparative analysis.
Your home team
The pros in your corner
Buying a home is two conversations — the home and the money. Here’s who handles each, side by side, already working together.

Your agent
Steeve Cadeau
REALTOR® · CENTURY 21 Edge
Tours, negotiation, and every question about 5153 ISLA KEY BOULEVARD S UNIT 408 — start here.

Your lender
Andrew Acosta
Acosta Home Loans with PRMG · NMLS #1468866
Pre-approval, rates, and the real monthly number for 5153 ISLA KEY BOULEVARD S UNIT 408 — before you fall in love.
See it in person
Schedule a tour
Pick a day that works — this goes straight to Steeve's phone and CRM.
Straight answers
5153 ISLA KEY BOULEVARD S UNIT 408 FAQs
What would the monthly payment be for 5153 ISLA KEY BOULEVARD S UNIT 408?+
With 3.5% down on a 30-year FHA loan at 6%, the all-in payment lands around $201/mo — principal and interest, estimated property taxes and typical Florida insurance. The payment calculator on this page lets you switch loan type (FHA, Conventional, VA) and adjust the down payment, rate and term.
Are pets allowed at 5153 ISLA KEY BOULEVARD S UNIT 408?+
The listing reports pets: No. Communities often layer on breed or weight rules — we'll verify the specifics with the association before you commit.
How does the price compare to other homes in St Petersburg?+
At $5,700, this home is listed about 99% below the St Petersburg median of $430,000. The market section on this page shows how the area is trending.
Which schools are assigned to 5153 ISLA KEY BOULEVARD S UNIT 408?+
Bay Point Middle School (middle), Gulfport Montessori Elementary School (elementary), Lakewood High School (high) — Pinellas County School District. Always verify school assignments with the district before relying on them.
The brief
Four things that matter here
01Under the ST PETERSBURG 33715 market on paper
$5,700 is 98% below the ST PETERSBURG 33715 median of $257,000, and at $4/sqft it sits under the St Petersburg average of $381.
02Waterfront living
This home sits directly on the water — the single scarcest feature in Florida inventory and the strongest long-term value anchor.
03Time on market is leverage
196 days on market against a St Petersburg median of 57 — sellers in this position are usually ready to negotiate.
04The price has already moved
Listed at $6,200, now $5,700 — a $500 cut. The full history is in the market section below.
Keep looking
Similar homes nearby
Listing courtesy of RESIDENTIAL WEALTH PARTNERS · Traci de Wid. MLS #O6377288.
IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by Stellar MLS.
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