SEA ISLE CONDOMINIUM (AKA CONT. COND)
Homes for Sale in Key Colony, FL
True comps, carrying-cost math, and listings before the portals.

Sea Isle Condominium sits in Key Colony, a small incorporated city on one of the Middle Keys in Monroe County — a market defined by scarcity of land, coastal exposure, and a buyer pool that runs heavily toward second-home and income-minded purchasers. The median closed price of $377,500 reflects that Keys positioning, though with only eight closings in the measurement window, each individual transaction carries meaningful weight on that figure. Price spreads in small-inventory condo communities like this are often condition- and floor-plan-driven, so the median is best read as a center-of-gravity reference, not a tight band.
At a median of 129 days on market, Sea Isle is not a place where units are absorbed quickly. That pace tells a buyer that negotiating room is present and that sellers who are priced at the margin of what the market will bear are willing to wait — or, increasingly, willing to deal. For a seller, 129 days is a meaningful reminder that accurate initial pricing and strong presentation are not optional in this segment.
The 60-Second Overview
SEA ISLE CONDOMINIUM (AKA CONT. COND) market snapshot (as of July 27, 2026): the median sale price is about $378K, and a median 129 days on market for closed sales.
Sea Isle Condominium is a condominium community in Key Colony, Monroe County, offering Keys waterfront-area living in a small, incorporated municipality — a setting where the inventory is structurally limited and the buyer calculus almost always weighs lifestyle access against the full carrying-cost picture that Monroe County ownership entails.
Who SEA ISLE CONDOMINIUM (AKA CONT. COND) is best for.
Best for
- Buyers targeting a Keys second home with flexibility on timing and no urgency to resell within a short window.
- Buyers with a budget centered near the mid-$370s who want to negotiate from a position of patience in a slower-absorption market.
- Buyers prepared to independently verify association health, insurance costs, and flood zone requirements before committing.
Probably not for
- Buyers who need to sell quickly and cannot absorb the risk of an extended days-on-market cycle in a thin-volume community.
- Buyers expecting a broad amenity package without confirming what the association actually provides — none are identified in current MLS data.
- Buyers relying on a single median price figure to set their offer without deeper per-unit comparable analysis in a low-volume condo market.
Price History: What Homes Here Have Actually Sold For
Median sale price over the trailing 12 months ending July 27 of each year, from record-level floridakeys closed sales. Same methodology as every appreciation figure on this page: the 2026 point ($378K) IS the median in the snapshot above.
Windows contain 0 to 8 sales each (8 in the current window); every figure carries its sample size, and thin markets swing on single closings. Listing data provided by Florida Keys MLS, Inc. Information is deemed reliable but is not guaranteed by the MLS to be accurate. Deemed reliable but not guaranteed.
The SEA ISLE CONDOMINIUM (AKA CONT. COND) buying strategy.
If we were buying in SEA ISLE CONDOMINIUM (AKA CONT. COND) today, this is the order of operations we would run for our clients.
Underwrite the condition first. Price the roof, HVAC, and systems honestly before judging any list price; condition swings value here more than square footage alone.
Match the home to real comps. Recent sales of similar condition and lot, not the asking price, tell you what a home is worth.
Move deliberately, not desperately. Neither side has a decisive edge, so a well-prepared, fairly-priced offer wins without overpaying.
Line up financing and inspection early. A pre-approval and an inspection plan let you act fast and negotiate from evidence.
Keep an agent in your corner. The listing agent works for the seller; we represent you and prepare a hand-built valuation before any offer in SEA ISLE CONDOMINIUM (AKA CONT. COND).
What the numbers are really saying
Eight closings in the measurement window is a thin data set, and buyers and sellers alike should treat the $377,500 median as directional rather than definitive. In a community this size, a single distressed sale or a fully renovated top-floor unit can shift the median materially from one quarter to the next. The actionable takeaway: comparable-sale analysis here requires looking at condition, view, and floor level individually — broad price averages will mislead more often than they inform.
The 129-day median DOM is the figure that most directly shapes negotiation strategy. Supply is not being absorbed at a pace that gives sellers pricing leverage, which means buyers entering now are operating in a patient market. No MLS-identified community amenities are on record for Sea Isle at this snapshot date, so buyers should conduct direct due diligence on what the association provides, what the fees cover, and what deferred maintenance, if any, exists — that last point matters considerably in a coastal salt-air environment.
The location and the amenities are priced into every listing in SEA ISLE CONDOMINIUM (AKA CONT. COND). The deal is won or lost on condition, the comps, and the renovation math.
Why work with Momentum here
Monroe County condo transactions carry layers that mainland purchases do not: flood zone classification, wind mitigation requirements, association financial health, and milestone inspection obligations all intersect before a deal closes. Momentum Realty brings a transactional approach grounded in those specifics — not Keys enthusiasm, but sober due diligence on the variables that determine whether a purchase pencils out over time. In a thin-volume community where each comp counts, having an advisor who can read a small data set without overstating its precision is the difference between a well-anchored offer and one built on assumptions.
SEA ISLE CONDOMINIUM (AKA CONT. COND) in 15 seconds.
HOA, CDD & Fees
- Mandatory HOA — confirm current dues
- Any club/amenity membership is billed separately
Confirm the current HOA dues, exactly what they cover, and any CDD bond or special assessment for a specific address before you offer.
Tools for a SEA ISLE CONDOMINIUM (AKA CONT. COND) buy.
Free calculators to pressure-test the real cost before you tour.
Selling here is won on condition and pricing to real comps, not an automated estimate. The right number comes from closed SEA ISLE CONDOMINIUM (AKA CONT. COND) sales matched to your home.
Price it to the comps and condition, not an automated estimate.
If you are thinking about selling in SEA ISLE CONDOMINIUM (AKA CONT. COND), the right list price comes from recent comparable sales matched to your home's condition and location, not an automated estimate.
What is your SEA ISLE CONDOMINIUM (AKA CONT. COND) home worth?
Get a no-obligation home value based on real comparable sales in SEA ISLE CONDOMINIUM (AKA CONT. COND), not an automated guess. Tell us about your home and we will personally prepare your numbers and a pricing strategy. No obligation, no spam.
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Frequently Asked Questions
What is the median home price in SEA ISLE CONDOMINIUM (AKA CONT. COND)?
How long do homes in SEA ISLE CONDOMINIUM (AKA CONT. COND) take to sell?
Do cash buyers compete in SEA ISLE CONDOMINIUM (AKA CONT. COND)?
Who is the best real estate agent for SEA ISLE CONDOMINIUM (AKA CONT. COND)?
How do I find a top Key Colony real estate agent who knows SEA ISLE CONDOMINIUM (AKA CONT. COND)?
Can Momentum Realty connect me with an agent for SEA ISLE CONDOMINIUM (AKA CONT. COND)?
Should you buy in SEA ISLE CONDOMINIUM (AKA CONT. COND)?
An honest fit check. We will tell you when it is not your community.
Data sources & freshness
| Community market stats | floridakeys closed sales, 12-month windows ending July 27, 2026 |
| Historical depth | Closed-sale records back to 2010 (34 transactions analyzed) |
Verify the primary sources yourself: Florida DOR · U.S. Census · FEMA flood maps · Citizens Property Insurance.
Momentum Research figures are our own analysis of floridakeys records; MLS data is deemed reliable but not guaranteed. Methodology: how Momentum market scores are computed. Market metrics describe homes for sale and recent sales, not residents.
Own a home here?
You just read the data. Now see what your home is worth.
The numbers on this page move markets in the aggregate. The number that matters to you is what a buyer pays for your address. Momentum sells for 1.25% above the floridakeys member average and 8 days faster, and we’ll price yours against live your area comps.
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