Key Biscayne, FL - Most Valuable Residential Properties in 2025
Updated on November 19, 2025.
According to data from official Florida government agencies, among residential properties in Key Biscayne, FL, the following were the most valuable residential properties by Just Value in 2025. The most valuable residential property was 500 BAY LN ($36.05M), followed by 485 W MATHESON DR ($33.85M), 820 MASHTA PL ($29.99M), and 930 HARBOR DR ($25.72M).
The chart below shows the top 10 valuable residential properties, and the table below shows the top 200.
You can see similar information for other Florida cities.
You may also be interested in:
Data Source: Official Government Sites.
Key Biscayne, FL - Most Valuable Residential Properties in 2025
Items per page:
25
0 of 0
| Address | Just Value ($) |
|---|---|
| 500 BAY LN, Key Biscayne, FL 33149 | 36053906 |
| 485 W MATHESON DR, Key Biscayne, FL | 33849963 |
| 820 MASHTA PL, Key Biscayne, FL 33149 | 29987024 |
| 930 HARBOR DR, Key Biscayne, FL 33149 | 25716280 |
| 452 HARBOR DR, Key Biscayne, FL 33149 | 23246293 |
| 3 HARBOR PT, Key Biscayne, FL 33149 | 22509267 |
| 9 HARBOR PT, Key Biscayne, FL 33149 | 22224766 |
| 400 HARBOR DR, Key Biscayne, FL 33149 | 22079508 |
| 5 HARBOR PT, Key Biscayne, FL 33149 | 21998866 |
| 400 S MASHTA DR, Key Biscayne, FL 33149 | 21808007 |
| 28 HARBOR PT, Key Biscayne, FL 33149 | 21244993 |
| 960 HARBOR DR, Key Biscayne, FL 33149 | 20684541 |
| 310 HARBOR DR, Key Biscayne, FL 33149 | 20588875 |
| 820 HARBOR DR, Key Biscayne, FL 33149 | 19807502 |
| 460 N MASHTA DR, Key Biscayne, FL 33149 | 19680239 |
| 420 HARBOR DR, Key Biscayne, FL 33149 | 19190951 |
| 7 HARBOR PT, Key Biscayne, FL 33149 | 19181548 |
| 468 BAY LN, Key Biscayne, FL 33149 | 19139786 |
| 330 HARBOR DR, Key Biscayne, FL 33149 | 18881199 |
| 140 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 18768438 |
| 360 HARBOR DR, Key Biscayne, FL 33149 | 18763946 |
| 220 HARBOR DR, Key Biscayne, FL 33149 | 18457632 |
| 500 S MASHTA DR, Key Biscayne, FL 33149 | 18279591 |
| 350 HARBOR DR, Key Biscayne, FL 33149 | 18231169 |
| 240 HARBOR DR, Key Biscayne, FL 33149 | 18040768 |
| 260 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 17921897 |
| 210 HARBOR DR, Key Biscayne, FL 33149 | 17528275 |
| 478 BAY LN, Key Biscayne, FL 33149 | 17484896 |
| 340 HARBOR DR, Key Biscayne, FL 33149 | 17349975 |
| 260 HARBOR DR, Key Biscayne, FL 33149 | 17306074 |
| 760 MASHTA DR, Key Biscayne, FL 33149 | 17258672 |
| 800 MASHTA PL, Key Biscayne, FL 33149 | 17043928 |
| 230 HARBOR DR, Key Biscayne, FL 33149 | 16726533 |
| 30 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 16664524 |
| 300 HARBOR DR, Key Biscayne, FL 33149 | 16623627 |
| 380 HARBOR DR, Key Biscayne, FL 33149 | 16118525 |
| 1 HARBOR PT, Key Biscayne, FL 33149 | 16055329 |
| 635 SUNSET CIR, Key Biscayne, FL 33149 | 15505627 |
| 766 HARBOR DR, Key Biscayne, FL 33149 | 15447534 |
| 280 HARBOR DR, Key Biscayne, FL 33149 | 15347810 |
| 530 S MASHTA DR, Key Biscayne, FL 33149 | 15297784 |
| 350 OCEAN DR PH1N, Key Biscayne, FL 33149 | 15170900 |
| 360 OCEAN DR PH1S, Key Biscayne, FL 33149 | 15170900 |
| 940 HARBOR DR, Key Biscayne, FL 33149 | 15021894 |
| 270 HARBOR DR, Key Biscayne, FL 33149 | 14971294 |
| 720 HARBOR DR, Key Biscayne, FL 33149 | 14937821 |
| 398 HARBOR DR, Key Biscayne, FL 33149 | 14918754 |
| 250 HARBOR DR, Key Biscayne, FL 33149 | 14766091 |
| 290 HARBOR DR, Key Biscayne, FL 33149 | 14748160 |
| 15 HARBOR PT, Key Biscayne, FL 33149 | 14567607 |
| 880 HARBOR DR, Key Biscayne, FL 33149 | 14489757 |
| 200 HARBOR DR, Key Biscayne, FL 33149 | 14357164 |
| 350 OCEAN DR PH2N, Key Biscayne, FL 33149 | 14322200 |
| 360 OCEAN DR PH2S, Key Biscayne, FL 33149 | 14322200 |
| 950 HARBOR DR, Key Biscayne, FL 33149 | 14190637 |
| 431 ISLAND DR, Key Biscayne, FL 33149 | 13977609 |
| 620 HARBOR CIR, Key Biscayne, FL 33149 | 13973876 |
| 690 HARBOR DR, Key Biscayne, FL 33149 | 13971721 |
| 520 S MASHTA DR, Key Biscayne, FL 33149 | 13967621 |
| 511 N MASHTA DR, Key Biscayne, FL 33149 | 13706447 |
| 730 HARBOR DR, Key Biscayne, FL 33149 | 13665410 |
| 600 S MASHTA DR, Key Biscayne, FL 33149 | 13554816 |
| 551 N MASHTA DR, Key Biscayne, FL 33149 | 13413541 |
| 680 HARBOR DR, Key Biscayne, FL 33149 | 13354495 |
| 440 S MASHTA DR, Key Biscayne, FL 33149 | 13329335 |
| 501 N MASHTA DR, Key Biscayne, FL 33149 | 13325487 |
| 635 HARBOR CIR, Key Biscayne, FL 33149 | 13208906 |
| 670 S MASHTA DR, Key Biscayne, FL 33149 | 13118580 |
| 480 N MASHTA DR, Key Biscayne, FL 33149 | 13092780 |
| 1095 MARINER DR, Key Biscayne, FL 33149 | 13075733 |
| 420 S MASHTA DR, Key Biscayne, FL 33149 | 13043760 |
| 20 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 13008159 |
| 760 HARBOR DR, Key Biscayne, FL 33149 | 12840550 |
| 460 S MASHTA DR, Key Biscayne, FL 33149 | 12661417 |
| 910 HARBOR DR, Key Biscayne, FL 33149 | 12612340 |
| 755 MASHTA DR, Key Biscayne, FL 33149 | 12568521 |
| 510 S MASHTA DR, Key Biscayne, FL 33149 | 12476235 |
| 401 S MASHTA DR, Key Biscayne, FL 33149 | 12447624 |
| 650 S MASHTA DR, Key Biscayne, FL 33149 | 12374755 |
| 250 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 12307836 |
| 251 KNOLLWOOD DR, Key Biscayne, FL 33149 | 12300620 |
| 548 S MASHTA DR, Key Biscayne, FL 33149 | 12265186 |
| 241 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 12144526 |
| 710 HARBOR DR, Key Biscayne, FL 33149 | 12017671 |
| 500 W MASHTA DR, Key Biscayne, FL 33149 | 11984960 |
| 610 S MASHTA DR, Key Biscayne, FL 33149 | 11944163 |
| 750 HARBOR DR, Key Biscayne, FL 33149 | 11930995 |
| 745 N MASHTA DR, Key Biscayne, FL 33149 | 11771634 |
| 220 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 11714534 |
| 1090 MARINER DR, Key Biscayne, FL 33149 | 11650626 |
| 180 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 11635995 |
| 490 S MASHTA DR, Key Biscayne, FL 33149 | 11609868 |
| 430 GRAND BAY DR PH-1AN, Key Biscayne, FL 33149 | 11601200 |
| 100 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 11530899 |
| 20 HARBOR PT, Key Biscayne, FL 33149 | 11511121 |
| 700 S MASHTA DR, Key Biscayne, FL 33149 | 11452144 |
| 840 HARBOR DR, Key Biscayne, FL 33149 | 11396047 |
| 4 HARBOR PT, Key Biscayne, FL 33149 | 11333446 |
| 901 HARBOR DR, Key Biscayne, FL 33149 | 11165791 |
| 870 HARBOR DR, Key Biscayne, FL 33149 | 11132205 |
| 6 HARBOR PT, Key Biscayne, FL 33149 | 11086188 |
| 620 S MASHTA DR, Key Biscayne, FL 33149 | 11044676 |
| 960 MARINER DR, Key Biscayne, FL 33149 | 11036975 |
| 740 S MASHTA DR, Key Biscayne, FL 33149 | 10948731 |
| 730 S MASHTA DR, Key Biscayne, FL 33149 | 10948676 |
| 445 GRAND BAY DR PH-1B, Key Biscayne, FL 33149 | 10886750 |
| 480 S MASHTA DR, Key Biscayne, FL 33149 | 10886260 |
| 710 S MASHTA DR, Key Biscayne, FL 33149 | 10857285 |
| 850 HARBOR DR, Key Biscayne, FL 33149 | 10649445 |
| 360 PACIFIC RD, Key Biscayne, FL 33149 | 10540584 |
| 900 HARBOR DR, Key Biscayne, FL 33149 | 10532175 |
| 211 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 10517980 |
| 1025 MARINER DR, Key Biscayne, FL 33149 | 10513801 |
| 750 S MASHTA DR, Key Biscayne, FL 33149 | 10441031 |
| 720 S MASHTA DR, Key Biscayne, FL 33149 | 10395092 |
| 200 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 10382198 |
| 10 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 10366023 |
| 700 HARBOR DR, Key Biscayne, FL 33149 | 10355970 |
| 110 KNOLLWOOD DR, Key Biscayne, FL 33149 | 10316512 |
| 780 HARBOR DR, Key Biscayne, FL 33149 | 10194919 |
| 1020 MARINER DR, Key Biscayne, FL 33149 | 10172506 |
| 300 ISLAND DR, Key Biscayne, FL 33149 | 10141294 |
| 925 MARINER DR, Key Biscayne, FL 33149 | 10131135 |
| 951 HARBOR DR, Key Biscayne, FL 33149 | 10060671 |
| 201 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 10037863 |
| 100 KNOLLWOOD DR, Key Biscayne, FL 33149 | 10021460 |
| 660 S MASHTA DR, Key Biscayne, FL 33149 | 10020831 |
| 200 ISLAND DR, Key Biscayne, FL 33149 | 10013469 |
| 640 S MASHTA DR, Key Biscayne, FL 33149 | 9910420 |
| 471 N MASHTA DR, Key Biscayne, FL 33149 | 9903718 |
| 715 N MASHTA DR, Key Biscayne, FL 33149 | 9827206 |
| 150 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 9812375 |
| 350 OCEAN DR LPH1N, Key Biscayne, FL 33149 | 9802700 |
| 360 OCEAN DR LPH1S, Key Biscayne, FL 33149 | 9802700 |
| 860 HARBOR DR, Key Biscayne, FL 33149 | 9727578 |
| 14 HARBOR PT, Key Biscayne, FL 33149 | 9616707 |
| 161 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 9615311 |
| 800 HARBOR DR, Key Biscayne, FL 33149 | 9582193 |
| 451 N MASHTA DR, Key Biscayne, FL 33149 | 9564892 |
| 101 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 9511133 |
| 350 OCEAN DR LPH2N, Key Biscayne, FL 33149 | 9505700 |
| 360 OCEAN DR LPH2S, Key Biscayne, FL 33149 | 9505700 |
| 131 KNOLLWOOD DR, Key Biscayne, FL 33149 | 9495212 |
| 220 KNOLLWOOD DR, Key Biscayne, FL 33149 | 9394814 |
| 200 KNOLLWOOD DR, Key Biscayne, FL 33149 | 9394338 |
| 421 S MASHTA DR, Key Biscayne, FL 33149 | 9374379 |
| 540 W MASHTA DR, Key Biscayne, FL 33149 | 9316826 |
| 431 N MASHTA DR, Key Biscayne, FL 33149 | 9301430 |
| 470 W MATHESON DR, Key Biscayne, FL 33149 | 9236119 |
| 961 HARBOR DR, Key Biscayne, FL 33149 | 9206014 |
| 120 KNOLLWOOD DR, Key Biscayne, FL 33149 | 9198961 |
| 1080 MARINER DR, Key Biscayne, FL 33149 | 9130505 |
| 350 OCEAN DR LPH4N, Key Biscayne, FL 33149 | 9097200 |
| 481 S MASHTA DR, Key Biscayne, FL 33149 | 9094397 |
| 181 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 9092534 |
| 791 CRANDON BLVD PH8, Key Biscayne, FL 33149 | 9086075 |
| 120 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 8991007 |
| 891 HARBOR DR, Key Biscayne, FL 33149 | 8982214 |
| 520 W MASHTA DR, Key Biscayne, FL 33149 | 8982123 |
| 1047 MARINER DR, Key Biscayne, FL 33149 | 8980498 |
| 791 CRANDON BLVD 208, Key Biscayne, FL 33149 | 8967079 |
| 110 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 8948278 |
| 561 N MASHTA DR, Key Biscayne, FL 33149 | 8925791 |
| 100 ISLAND DR, Key Biscayne, FL 33149 | 8906940 |
| 210 KNOLLWOOD DR, Key Biscayne, FL 33149 | 8905886 |
| 701 N MASHTA DR, Key Biscayne, FL 33149 | 8820433 |
| 931 HARBOR DR, Key Biscayne, FL 33149 | 8766737 |
| 240 KNOLLWOOD DR, Key Biscayne, FL 33149 | 8677522 |
| 250 KNOLLWOOD DR, Key Biscayne, FL 33149 | 8673414 |
| 461 S MASHTA DR, Key Biscayne, FL 33149 | 8664393 |
| 655 N MASHTA DR, Key Biscayne, FL 33149 | 8607146 |
| 350 OCEAN DR 1201N, Key Biscayne, FL 33149 | 8586487 |
| 360 OCEAN DR 1201S, Key Biscayne, FL 33149 | 8586305 |
| 491 N MASHTA DR, Key Biscayne, FL 33149 | 8570147 |
| 201 KNOLLWOOD DR, Key Biscayne, FL 33149 | 8559826 |
| 310 ISLAND DR, Key Biscayne, FL 33149 | 8558786 |
| 171 CAPE FLORIDA DR, Key Biscayne, FL 33149 | 8546357 |
| 601 N MASHTA DR, Key Biscayne, FL 33149 | 8506822 |
| 1045 MARINER DR, Key Biscayne, FL 33149 | 8478614 |
| 260 ISLAND DR, Key Biscayne, FL 33149 | 8454194 |
| 1005 MARINER DR, Key Biscayne, FL 33149 | 8443297 |
| 550 HARBOR DR, Key Biscayne, FL 33149 | 8433019 |
| 621 N MASHTA DR, Key Biscayne, FL 33149 | 8427068 |
| 350 OCEAN DR 1101N, Key Biscayne, FL 33149 | 8418228 |
| 360 OCEAN DR 1101S, Key Biscayne, FL 33149 | 8417955 |
| 725 N MASHTA DR, Key Biscayne, FL 33149 | 8383231 |
| 1051 MARINER DR, Key Biscayne, FL 33149 | 8380384 |
| 445 GRAND BAY DR PH-1A, Key Biscayne, FL 33149 | 8365000 |
| 445 GRAND BAY DR PH-1D, Key Biscayne, FL 33149 | 8365000 |
| 445 GRAND BAY DR PH-2A, Key Biscayne, FL 33149 | 8351000 |
| 445 GRAND BAY DR PH-2E, Key Biscayne, FL 33149 | 8351000 |
| 350 ISLAND DR, Key Biscayne, FL 33149 | 8322194 |
| 20 ISLAND DR, Key Biscayne, FL 33149 | 8283566 |
| 591 N MASHTA DR, Key Biscayne, FL 33149 | 8275489 |
| 999 MARINER DR, Key Biscayne, FL 33149 | 8264802 |
| 350 OCEAN DR 1001N, Key Biscayne, FL 33149 | 8253154 |
| 360 OCEAN DR 1001S, Key Biscayne, FL 33149 | 8253063 |
| 280 ISLAND DR, Key Biscayne, FL 33149 | 8246688 |
| 921 HARBOR DR, Key Biscayne, FL 33149 | 8224859 |
| 770 HARBOR DR, Key Biscayne, FL 33149 | 8223312 |
Popular Topics:
Find us
Copyright © Beautify Data LLC. All Rights Reserved.