The Real Cost of Owning on Star, Palm & Hibiscus Islands

A Market Where the Entry Price Is the Headline

A February 2026 neighborhood snapshot covering the combined Star, Palm, and Hibiscus Islands market put the median sale price at $24 million, with an average sale price of roughly $14.7 million and a trailing-12-month median closer to $9.4 million, down about 20% year-over-year. Listed prices in that same snapshot ranged from $5.695 million to $99 million. This page states those figures with a real caveat attached: a median above the average is statistically unusual in a right-skewed luxury market and most likely reflects how few transactions this data set is built on -- a market moving perhaps a dozen or two homes a year produces genuinely volatile statistics from month to month, and no single snapshot here should be treated as an appraisal.

What isn't in dispute is the floor. Even the low end of the range cited above -- roughly $5.7 million -- sits well above the ceiling of Florida's state-backed insurance and flood programs, which matters more here than on almost any other market this site covers, and is covered in detail below.

Property Tax: A Combined Rate Near 23.7 Mills on a Very High Assessed Value

All three islands sit within the City of Miami Beach, in Miami-Dade County, so owners here pay the same layered tax structure as any other Miami Beach property: a Miami-Dade countywide millage (roughly 17.59 mills for 2025, including about 6.63 mills earmarked for schools) plus the City of Miami Beach's own operating and debt-service millage (roughly 6.148 mills for FY2026), combining to a rate near 23.7 mills per $1,000 of taxable value. On a market where individual sale prices commonly run into eight and nine figures, that rate applied to even a partially discounted assessed value produces a genuinely large annual bill -- this page does not state a single illustrative dollar figure here because assessed value (which can differ meaningfully from sale price, especially for a longtime owner benefiting from Florida's assessment caps) is what the millage actually applies to, not the purchase price.

Florida's homestead Save Our Homes cap limits annual assessed-value growth to the lesser of 3% or the change in the Consumer Price Index once a property carries a homestead exemption, and that cap resets whenever the property sells. A meaningful share of the ownership on these islands, however, is not classic owner-occupied homestead property -- second homes, investment purchases, and entity-held (LLC or trust) ownership are common at this price point, and those fall instead under Florida's separate non-homestead cap, which limits assessed-value growth to 10% a year (excluding the school-tax portion) rather than 3%. Confirm a specific property's homestead status and current assessed value directly with the Miami-Dade Property Appraiser before assuming either cap applies.

Windstorm and Flood Insurance: Off the State Programs Entirely

Florida's insurer of last resort, Citizens Property Insurance Corporation, is barred by law from writing a policy on a home with a dwelling replacement cost of $700,000 or more anywhere in the state, with a single exception: in Miami-Dade and Monroe counties, that cap is raised to $1 million. Given the roughly $5.7 million-to-$99 million sale price range documented above, essentially no home on Star, Palm, or Hibiscus Island qualifies for Citizens even under the higher Miami-Dade exception. In practice, that means windstorm coverage here is placed almost entirely through the surplus-lines and private high-net-worth insurance market -- carriers and underwriting facilities that don't operate under the same rate and coverage-form regulation as Citizens or a standard admitted Florida carrier -- rather than the state-backed pool most Florida coastal buyers researching other markets on this site are used to encountering.

Flood coverage runs into the same structural ceiling from a different program. The National Flood Insurance Program (NFIP) caps residential building coverage at $250,000 and contents coverage between $100,000 and $500,000 depending on the policy -- limits that were designed around typical American home values and become almost symbolic at this market's price point. A private flood policy, now written by a meaningful share of the U.S. flood insurance market, can push building coverage into the millions of dollars and is the realistic option for adequately insuring a home in this price range; an NFIP-only policy here would leave an owner self-insuring the overwhelming majority of the structure's rebuild cost. Get quotes from a broker who specifically places high-value coastal Florida risk, not a generalist agent, and get them before writing an offer.

Seawalls: A Private, Recurring Maintenance Cost With a New City Standard

Because these are man-made islands with an engineered, bulkheaded perimeter rather than natural shoreline, the private seawall is a genuine, recurring capital-cost item for waterfront owners here in a way it simply isn't for most inland buyers. The City of Miami Beach adopted Ordinance 2025-4754, effective July 16, 2025, setting a new minimum elevation of 5.7 feet NAVD88 for new or substantially repaired private seawalls citywide, with a 4-foot NAVD88 interim standard allowed for non-substantial repairs designed to support a future 5.7-foot elevation. The city states that roughly 91% of Miami Beach's seawalls sit on private property, meaning the compliance and maintenance burden falls mainly on individual homeowners rather than the municipality, though Miami Beach does offer Private Property Adaptation matching grants and PACE financing to help offset the cost -- worth asking about directly if a specific property's seawall needs work. See this page's dedicated Seawall & Bulkhead Guide for the full ordinance detail, enforcement schedule, and financing-program specifics.

HOA and Gate-Access Costs: Real but Not Precisely Confirmed

A joint voluntary community organization, the Palm, Hibiscus and Star Islands (PHS) Home Association, serves all three islands, with a stated mission of keeping them 'safe, fun and beautiful.' One real estate research source cited a $500-per-year, voluntary membership figure for the group, but this page could not independently confirm current dues, what they cover, or the exact gate-access authorization process for guests, contractors, and delivery staff from a primary source in this research pass. Because Star Island's single entrance runs through a documented staffed guardhouse, and Palm and Hibiscus share their own private access bridge, a buyer moving from an open-street neighborhood should budget real time to understand exactly how visitor, vendor, and staff access works day to day -- this is a genuine logistical and, potentially, financial line item that a typical listing sheet doesn't spell out. Confirm current dues, gate procedures, and any capital-improvement assessments directly with the PHS Home Association or a resident before closing.

Doc Stamps, Closing Costs, and the Single-Family Advantage

One genuinely favorable detail for buyers here relative to Miami Beach as a whole: Florida's documentary stamp tax on a Miami-Dade deed is $0.60 per $100 of sale price for single-family residences, versus $1.05 per $100 (which layers in the county's discretionary surtax) for condos and other non-single-family property. Because every home on Star, Palm, and Hibiscus Island is a single-family residence -- unlike Miami Beach's broader, heavily condo-weighted inventory -- deals here consistently qualify for the lower doc-stamp rate. On a $10 million sale, that's a real difference: roughly $60,000 in stamp tax at the single-family rate versus roughly $105,000 at the non-single-family rate. Confirm which party customarily pays it (buyer or seller, a matter of local custom rather than law) with a local title company before closing.

What This Adds Up To

There is no single verified 'true cost of ownership' figure this page is willing to state as settled fact, because the largest line items -- an actual current windstorm and flood premium, current HOA dues, and any property-specific special assessment -- don't have a publicly quoted figure this research could confirm for a specific address. What can be said with sourced confidence: expect a combined property tax rate near 23.7 mills applied to an assessed value that may differ substantially from sale price depending on homestead status; windstorm and flood coverage placed almost entirely through the private/surplus-lines market rather than Citizens or NFIP; a private seawall that must meet a 5.7-foot NAVD88 standard under a 2025 city ordinance if it's new or substantially repaired; and a real, if imprecisely documented, HOA and gate-access structure to understand before closing.

Before making an offer, get current, written numbers from the actual sources: the Miami-Dade Property Appraiser for the specific parcel's assessed value and tax history, a Florida-licensed broker who places high-value coastal risk for real windstorm and flood quotes, the PHS Home Association for current dues and gate procedures, and a buyer's agent who works this exact three-island market regularly and can speak to realistic timelines given how few homes trade here in any given year.