6511 Santona St Unit C18
Coral Gables, FL 33146 · condos · For Sale · 233 days on market
Asking price$259,000
1 beds 1 baths 565 sqft
Listed by Maurice Milton · Sea Grove Realty
Typecondos
Built1961
Price / sqft$458
Est. value (own analysis)$291,613
Rent estimate (own analysis)$3,166/mo
HOA$559/mo
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Statusfor_sale
Listed date2026-01-12
Removed date—
MLSMiamiMLS #A11943636
Coordinates25.70943, -80.28105
Address6511 Santona St Unit C18
CityCoral Gables
StateFL
Zip33146
Listing ID5770699225
Sourceus-real-estate-listings, cached 2026-08-31
ZIP market snapshot (33146)
Typical home value (ZHVI)$1,955,688
Typical rent (ZORI)$3,608/mo
Zillow Research's ZHVI (home value index) and ZORI (rent index) for this ZIP, as of 2026-07 — free published data, refreshed monthly, no RentCast quota spent. "Typical value/rent" is a smoothed index, not a literal median of active listings.
Underwriting (buy-and-hold, default assumptions)
| Acquisition (one-time, not monthly/yearly) | |
| Purchase price | $259,000 |
| Down payment (20.0%) | $51,800 |
| Loan amount | $207,200 |
| Closing costs (5.0%) | $12,950 |
| Total cash to close | $64,750 |
| Income | |
| Rent (comp-derived) | $3,166$37,992 |
| Vacancy loss (8.0%) | |
| Effective gross income | $2,913$34,953 |
| Operating expenses | |
| Property tax (placeholder 1.9% of price) | $410$4,921 |
| Insurance (placeholder 0.8% of price) | $173$2,072 |
| HOA dues | $559$6,708 |
| Management (0.0% of EGI) | $0$0 |
| Maintenance (5.0% of GSR) | $158$1,900 |
| Total operating expenses | $1,300$15,601 |
| Net operating income (NOI) | |
| Debt service & reserves | |
| Debt service (6.66%, avg 30yr rate as of 2026-08-27, 30yr amortizing) | |
| CapEx reserve (5.0% of GSR) | $158$1,900 |
| Mortgage insurance (PMI) (0.0% of loan, not required — down payment ≥ 20%) | $0$0 |
| Cash flow |
Cap rate
Cash-on-cash
DSCR
Rent-to-price (1% rule)
Gross rent multiplier
Operating expense ratio
Break-even occupancy
Comparables
Same ZIP. Real active rental listings, used to derive the rent estimate above.
| Address | Type | Beds | Baths | Sqft | Asking rent | Listed | Days on market |
|---|---|---|---|---|---|---|---|
| apartment | 1 | 1 | 679 | $2,609 | — | — | |
| apartment | 1 | 1 | 721 | $2,901 | — | — | |
| apartment | 1 | 1 | 752 | $2,850 | — | — | |
| apartment | 1 | 1 | 710 | $3,166 | — | — | |
| apartment | 1 | 1 | 725 | $2,809 | — | — | |
| apartment | 1 | 1 | 710 | $3,166 | — | — | |
| apartment | 1 | 1 | 608 | $3,300 | 2024-12-19 | — | |
| apartment | 1 | 1 | 690 | $1,800 | 2026-04-01 | — | |
| apartment | 1 | 1 | 703 | $4,000 | 2026-08-27 | — | |
| apartment | 1 | 1 | 690 | $1,800 | 2026-08-13 | — | |
| condos | 1 | 1 | 565 | $1,800 | 2026-07-26 | — | |
| condos | 1 | 1 | 713 | $3,500 | 2026-08-17 | — | |
| condos | 1 | 1 | 605 | $2,698 | 2026-07-29 | — | |
| condos | 1 | 1 | 681 | $3,700 | 2026-08-10 | — | |
| condos | 1 | 1 | 565 | $1,975 | 2026-07-30 | — | |
| condos | 1 | 1 | 542 | $3,450 | 2026-06-27 | — | |
| condos | 1 | 1 | 542 | $2,990 | 2026-07-11 | — | |
| condos | 1 | 1 | 522 | $3,200 | 2026-05-29 | — | |
| condos | 1 | 1 | 709 | $3,500 | 2026-07-02 | — | |
| condos | 1 | 1 | 692 | $3,800 | 2026-07-21 | — | |
| apartment | 1 | 1 | 680 | $3,545 | — | — | |
| apartment | 1 | 1 | 684 | $4,286 | — | — | |
| apartment | 1 | 1 | 684 | $3,792 | — | — |
Same ZIP & bedroom count. Closed sales from Realtor.com over the last 12 months, matched to this property's type — real transaction prices, not asking prices. Falls back to Miami-Dade County public records (property appraiser tax roll) when Realtor.com has no sales on file for the area.
| Address | Type | Beds | Baths | Living sqft | Sale price | Sale date |
|---|---|---|---|---|---|---|
| 1280 S Alhambra Cir Apt 1105 | condos | 1 | 1 | 620 | $320,000 | 2026-07-10 |
| 1205 Mariposa Ave Apt 102 | condos | 1 | 1 | 801 | $230,000 | 2026-06-26 |
| 301 Altara Ave Apt 201 | condos | 1 | 1 | 688 | $525,000 | 2026-04-20 |
| 301 Altara Ave Apt 608 | condos | 1 | 1 | 706 | $500,000 | 2026-04-13 |
| 301 Altara Ave Unit LPH903 | condos | 1 | 1 | — | $540,000 | 2025-12-22 |
| 6565 Santona St Unit B5 | condos | 1 | 1 | 695 | $243,500 | 2025-12-19 |
| 1235 Mariposa Ave Apt 8 | condos | 1 | 2 | 934 | $262,000 | 2025-11-10 |
| 301 Altara Ave Apt 625 | condos | 1 | 1 | 724 | $525,000 | 2025-09-30 |
Same ZIP. Other properties currently for sale nearby — asking prices, not closed sale prices. Not a price comp; see Sold comps for actual transaction history.
| Address | Type | Beds | Baths | Sqft | Asking price | Days on market |
|---|---|---|---|---|---|---|
| 6511 Santona St Unit C6 | condos | 1 | 1 | 612 | $240,000 | — |
| 1205 Mariposa Ave Apt 403 | condos | 1 | 2 | 896 | $319,000 | — |
| 1205 Mariposa Ave Apt 304 | condos | 1 | 2 | 898 | $327,000 | — |
| 301 Altara Ave Apt 418 | condos | 1 | 1 | 713 | $600,000 | — |
| 301 Altara Ave Apt 805 | condos | 1 | 1 | 681 | $690,000 | — |
| 4241 Aurora St Unit 708 | condos | 1 | 2 | 895 | $1,264,000 | — |
| 4220 Laguna St Apt 308 | condos | 1 | 1 | 706 | $890,000 | — |
10-year hold projection
IRR13.1%
Equity multiple3.02x
Total return (10yr)$164,767
| Year | Property value | NOI | Cash flow | Loan balance | Equity |
|---|---|---|---|---|---|
| 1 | $266,770 | $19,352 | $1,474 | $204,954 | $61,816 |
| 2 | $274,773 | $20,011 | $2,085 | $202,553 | $72,220 |
| 3 | $283,016 | $20,691 | $2,717 | $199,987 | $83,029 |
| 4 | $291,507 | $21,394 | $3,370 | $197,245 | $94,261 |
| 5 | $300,252 | $22,119 | $4,044 | $194,315 | $105,937 |
| 6 | $309,260 | $22,869 | $4,742 | $191,184 | $118,075 |
| 7 | $318,537 | $23,643 | $5,462 | $187,838 | $130,699 |
| 8 | $328,093 | $24,443 | $6,207 | $184,262 | $143,832 |
| 9 | $337,936 | $25,269 | $6,976 | $180,440 | $157,496 |
| 10 | $348,074 | $26,122 | $7,772 | $176,356 | $171,718 |
Assumes 3.0% annual rent growth, 2.5% expense growth, 3.0% appreciation, and a 6.0% selling cost at exit — all placeholder assumptions, not market-derived.