2550 HARBOURSIDE DRIVE #333, LONGBOAT KEY, FL 34228
Sources: realMLS (listings + 12-mo closed sales), FEMA, modeled insurance. Interpretation: Momentum Research. Data notes
- No CDD assessment on record
- Built 1990 · 36 yrs
- 3,067 sq ft of living area
- 1-car garage
- 130 days on market
- HOA ~$50/mo (estimate; confirm)
Pricing & the SOUTH VENICE market
How this home is priced against recent nearby sales, and where SOUTH VENICE has been over 25 years. Momentum Research analysis of Stellar MLS records; closed sales, deemed reliable but not guaranteed. Estimates only; see data notes.
Price vs. size in SOUTH VENICE
Each dot is a closed sale since 2004 (4741 total). This home is the gold marker.
Sale price (y) by living area in sq ft (x). realMLS closed sales.
Median $/sq ft by year
Community sold $/sq ft, 2012–2026. This home lists at $487/sq ft.
Median sale price by year
12-month median closed price, 2012–2026.
Market Heat by year (0–100)
Momentum Market Heat, 2013–2026. Now 26 (cold).
This home’s history
- 1990BuiltPer public record
- NowActiveCurrently for sale
Build year is from public record. Listing milestones reflect movewithmomentum.com’s own observations since we began tracking this listing and are not the MLS listing history; dates and prices are deemed reliable but not guaranteed.
Estimated monthly payment
- Principal & interest $7,575/mo 78%
- Taxes $1,308/mo 13%
- Insurance $769/mo 8%
- HOA $50/mo 1%
$9,703/mo at 20% down, 30-yr @ 6.52% · edit any field to update.
Editable estimate — not a loan offer. Estimates only; see data & estimate notes.
Momentum Property Score
53/100 is below average across the objective indicators below. It reflects only those measures — not the home’s quality, condition, or desirability.
A 0-100 score built from objective property and market data: flood risk, insurance, pricing, supply, affordability, and recent sales. Higher means more measures line up in a buyer’s favor. It reflects only the factors below.
Momentum Scores are objective, rules-based indicators computed from listing facts, public records, and recent nearby sales. They are not appraisals, valuations, investment advice, or judgments about a neighborhood or who should live there. Verify independently.
The Momentum read
🟡 Asking $487 per square foot, about 117% above the community’s $224 median. SOUTH VENICE’s 12-month median sold price per square foot is $224. Median sold price per square foot is down 3.2% year over year. Confidence: Very High · 307 closed sales in 12 monthsMLS facts: realMLS closed sales. A per-square-foot gap is context, not an appraisal; condition, lot, and view set the final number here.
Recent SOUTH VENICE sales closed near 92.4% of original asking. Cash paid for about 35% of recent closings here.Why it matters: the community’s own record shows how far opening prices typically move, and how often buyers compete without financing.Momentum Research analysis of realMLS records, community-level, 12 months ending July 15, 2026. Aggregates only; deemed reliable but not guaranteed.
What’s unique here: one of only 4845 active listings in SOUTH VENICE, no CDD assessment.
Jump to: About this home · Every number, sourced · Monthly cost · Flood & risk · History · FAQ
Updated July 25, 2026 · MLS facts carry their source; interpretation lines are Momentum Research · Data sources & freshness
About this home
Set within a living canopy of mangroves and coastal trees, this BAYFRONT residence invites a more immersive relationship with Sarasota Bay—where filtered light, birdsong, and gentle water movement define everyday living. Behind the gates of Bay Isles on Longboat Key, this approximately 3,000-square-foot waterfront residence offers the ease and scale of a single-family home with the security and convenience of condominium living. With three bedrooms and two-and-a-half baths, the layout lives expansively, enhanced by abundant storage and thoughtful separation of living spaces.
Floor-to-ceiling glass sliders in the main living areas and primary suite face east, capturing peaceful sunrise light over Sarasota Bay in a setting best described as park-like waterfront—where mature coastal trees frame the water, creating a serene, private “treehouse” ambiance. Boats glide through the mangrove preserve and lagoon toward open bay waters, accompanied by birdsong and rustling leaves. Two balconies extend the living space outdoors, including a nearly 400 sq ft screened lanai ideal for relaxed coastal living.
The primary suite features bay views from bed, terrace access, dual walk-in closets, and a spa-like bath with a freestanding soaking tub, dual vanities, and a glass-enclosed shower. The second and third bedrooms share access to a west-facing balcony, offering sunset light and cross-breezes. The kitchen is both functional and social, featuring quartz countertops, a Sub-Zero refrigerator, generous prep space, a built-in desk nook, mini-fridge and wet bar—well suited for entertaining or casual mornings.
A dedicated walk-in laundry room adds practicality with a butcher-block workspace, hutch, and tool cubby. Comfort and peace of mind are prioritized with two A/C zones, new condensers (2025), and two hot water tanks (2021) equipped with a flood-stop device. Brand new carpet and paint.
Additional highlights include air-conditioned storage, one assigned garage parking space, and exceptional closet capacity—five linen closets, three pantry closets, and three walk-in closets. Residents enjoy on-site management, a fitness center, tennis and pickleball courts, a heated resort-style pool, car washing area, and EV charging stations. The building features a brand-new roof completed in 2025.
Pet-friendly. The location is as compelling as the home itself: secure, serene, and walkable. Adjacent to the Longboat Key Club Marina, and just blocks from Publix, CVS, the post office, and banking, this location allows for a genuinely walkable daily rhythm—rare on Longboat Key.
As part of Bay Isles, residents also enjoy access to the Bay Isles Beach Club, a private Gulf-front retreat with gated parking, pavilions, grilling areas, restrooms, and seating for sunset views. Deeded beach access ensures a premier spot on the sand. Membership to the nearby Longboat Key Club is available, offering championship golf, world-class tennis, a full-service spa and wellness center, waterfront dining.
Description provided by INVESTMENTS IN SARASOTA and reproduced from the MLS; not independently verified.
Every fact, sourced
Listing data, public records, our calculations, and what to verify — each fact shown once. Estimates and calculations shown are for general information only, are not appraisals or advice, and should be independently verified.
Listing facts MLS
Public records & third-party data
Calculated estimates
Buyer should verify Buyer verify
Provided via the Stellar MLS Internet Data Exchange, as distributed by MLS GRID · Listings courtesy of Stellar MLS as distributed by MLS GRID · Listings courtesy of Stellar MLS as distributed by MLS GRID. · deemed reliable but not guaranteedIDX 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 by the MLS to be accurate.The Messtimate
This is a deliberately dumb estimate — living area times a range of recent neighborhood $/sq ft, and nothing else. It is not an appraisal, not market value, and not a valuation of this home. Even a tight range from comparable sales can’t price a specific home — here’s why.
Actual list price: $1,495,000 — compare it against the range above. The Messtimate is a blind sqft estimate; the list price reflects this specific home.
A 27% spread on the same house — and that gap is exactly what an automated guess can't see:
- Condition & updates — a renovated kitchen or new roof vs. dated finishes can swing value six figures; sq ft can't see it.
- The lot & views — a premium golf, water, or preserve lot vs. a road-facing one: same sq ft, very different price.
- Outliers skew it — one flip or distressed sale in the comps drags the whole $/sq ft up or down.
- Carrying costs & concessions — CDD, HOA, insurance, and seller-paid buydowns change what a buyer actually pays.
And here's what the live market is doing — which the number above ignores entirely:
- This home: 130 days on market vs. a 45-day community median
- 4831 active listings competing, 1581 under contract
For reference, this home is listed at $1,495,000 ($487/sq ft) — a number set with analysis a Messtimate can't do.
Selling your own home? Try the Messtimate on your address →
Methodology: 3,067 sq ft × $197–$251/sq ft from recent nearby closed sales (public records). Estimate for general information only; not an appraisal, valuation, or offer. Updated July 25, 2026.
Similar homes for sale near MARINA BAY
Active listings nearby at a comparable size and price. Listings held by brokerages other than Momentum Realty are marked with the listing broker. Deemed reliable but not guaranteed.
Price & listing history
Building permits
Flood zone & elevation
Sourced environmental data for the parcel. Confirm with FEMA and your insurer.
From the FEMA National Flood Hazard Layer. In this zone lender-required flood insurance is generally not mandated; confirm for the parcel.
Approximate parcel elevation from USGS. Run --online for a live reading.
This is a coastal Florida county. Premiums and coverage vary by home; obtain a quote from a licensed insurer.
Internet & broadband
AT&T Fiber covers much of NE Florida. Run --online or confirm at the address.
Xfinity/Spectrum cable broadband is widely available.
T-Mobile / Verizon fixed-wireless as a backup option.
Recent sales activity in MARINA BAY
Recent comparable closed sales near this home, from public records. Summary figures are for general reference only and are not a valuation of this property. See the MARINA BAY neighborhood guide for more.
Recent nearby closings in the data set.
Canonical 12-month median closed price. Reference only.
Canonical 12-month median $/sq ft. Reference only.
Go deeper on MARINA BAY
See schools, amenities, builders, HOA/CDD detail, and every active & sold home in the community — the single biggest advantage of buying here over a portal.
Assigned schools
Schools currently assigned to this address in Sarasota County, provided as neutral factual data. Assignments can change — confirm current zoning with the school district. This is not a statement about the home's suitability for any person or family.
See schools in the MARINA BAY guide → · Browse school-zone pages →
Comparable recent sales
Recent closed sales nearby, with photos, so you can compare. Sold prices are public record, deemed reliable but not guaranteed.
No closely comparable recent sales were found in this data set.
Investment snapshot
Objective rental and cash-flow estimates for a buyer weighing this as an investment. Rough figures for general information only — not a guarantee of rent, an appraisal, or investment advice. Verify independently.
Buyer research checklist
A neutral list of items to confirm for any home. This is general guidance, not advice about this specific property.
- Confirm roof age and condition during inspection.
- Confirm HVAC age and condition during inspection.
- Request current HOA documents before relying on dues or restrictions.
- Obtain an insurance quote for this specific property.
- Confirm school zoning directly with the district.
- Order a survey to confirm lot boundaries.
- Review permit history with the county.
- Confirm whether flood insurance is required for this parcel.
- Confirm square footage and room dimensions independently.
- Ask the county how property taxes may change after a sale.
Approximate distances
Approximate drive times for general reference only.
Groceries, dining, and parks for this city — see the city guide.
Schools, taxes, and services are county-administered — see the county guide.
View →Amenities and HOA/CDD detail on the neighborhood guide.
View →Data sources & freshness
| Listing record | realMLS, refreshed twice daily (last: July 25, 2026) |
| Community market stats | realMLS closed sales, as of July 15, 2026 |
| Flood zone & elevation | FEMA flood maps + USGS elevation (Zone X shown above) |
| Taxes & monthly cost | Estimated from county rates; not a quote |
| Insurance figure | Modeled estimate; obtain a real quote before offering |
| Schools | 2025-26 district assignments; verify with the district |
Momentum Research lines are our own analysis of realMLS records; MLS data is deemed reliable but not guaranteed. Estimates are informational, not appraisals or advice. Methodology: how Momentum scores are computed.
Frequently asked questions
Why might my property taxes differ from the current owner's?
Florida's Save Our Homes rule caps annual assessment increases for homesteaded owners, and the assessment can be re-set after a sale. As a result a new owner's bill may differ from the seller's. Any tax figure shown here is an estimate, not the actual bill — confirm with the county property appraiser and tax collector.
Where does the flood-zone information come from?
The flood designation shown (Zone X) comes from the FEMA flood map and is provided for general information. Confirm the parcel's status with FEMA and your insurer.
Can I rely on the figures on this page?
No. Estimated taxes, insurance, payments, and any market or comparable-sales summary are opinions and estimates for general information only and should not be relied upon. Verify all information independently before making any decision.
See 2550 HARBOURSIDE DRIVE #333 in person
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Opinion & estimate — do not rely on this page. Any figure on this page that is not a verbatim fact from the listing or a public record — including estimated property taxes, insurance, CDD/HOA amounts, mortgage payments, comparable-sales summaries, and market statistics — is an opinion and estimate provided for general informational purposes only. These figures may be inaccurate or out of date, are not appraisals, valuations, or financial, legal, tax, or investment advice, and should not be relied upon. Do not make any purchase, offer, financing, or other decision based on this page. Independently verify everything — price, square footage, lot size, year built, taxes, CDD/HOA, flood status, school assignments, permits, and community rules — with the listing broker, the county, your lender, a licensed inspector, an insurer, and your own advisors before acting.
Estimate methodology. Tax estimates apply a typical county millage rate to the list price and will differ from the actual assessed bill. Cost and market figures are derived from available data and simple calculations, not a professional appraisal. We make no representation that any estimate reflects fair market value.
Equal Housing Opportunity. Content on this page is compiled from public records, MLS data, and automated sources and may contain errors or be out of date. It is general information only, not a representation about any specific property, community, builder, or association. Verify information independently before relying on it. Momentum Realty supports the Fair Housing Act and does not discriminate on the basis of race, color, religion, sex, handicap, familial status, national origin, sexual orientation, or gender identity. Information about schools, distances, and amenities is provided as neutral factual data to help you research the property and is not a statement about who should or should not live here or the suitability of the home or neighborhood for any person or group. School data may change — confirm current assignments with the school district.
Found an error? If you are the owner, listing agent, or a party to this property and believe any information is inaccurate, email and we will review and correct or remove it promptly.
Automated content. Some summaries, distances, and estimates on this page are generated automatically from public and proprietary data sources and may contain errors or omissions. We strive for accuracy but cannot guarantee the completeness or accuracy of any information. Verify anything important independently.
MLS / IDX. The data relating to real estate for sale on this web site comes in part from the Internet Data Exchange (IDX) program of the Stellar MLS Internet Data Exchange, as distributed by MLS GRID. Real estate listings held by brokerage firms other than Momentum Realty are marked with the listing broker's name and include the name of the listing agent. Data provided is deemed reliable but is not guaranteed by the MLS to be accurate. The information being provided is 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. Source: Stellar MLS, as distributed by MLS GRID. Listings courtesy of Stellar MLS as distributed by MLS GRID. All rights reserved.
Listing data is deemed reliable but is not guaranteed and is subject to change or withdrawal without notice. Square footage and lot size are approximate. Real estate brokerage services provided by Momentum Realty, licensed in Florida and Georgia. © 2026 Move With Momentum LLC.