Real Estate Deal Intelligence · South Florida

Undervalued homes & investment deals in Key Biscayne, FL

Every active MLS listing in Key Biscayne scored 1–100 for how far below market it is, days on market, price cuts and motivated-seller signals — with the estimated equity in dollars. 54 deals, 54 priced below comparable homes.

54

Deals scored

54

Below market

70%

Avg discount

71

Top score

440 S Mashta Dr, Key Biscayne FL 33149Score 7199% below

$85,000

440 S Mashta Dr, Key Biscayne FL 33149

6bd · 8ba · 8,202 sqft

Below market~$12,985,000 equity
1111 Crandon Blvd # A306, Key Biscayne FL 33149Score 7148% below

$7,500

1111 Crandon Blvd # A306, Key Biscayne FL 33149

2bd · 2ba · 1,409 sqft

Below market~$6,500 equity
300 Galen Dr # 206, Key Biscayne FL 33149Score 7068% below

$3,500

300 Galen Dr # 206, Key Biscayne FL 33149

2bd · 2ba · 1,068 sqft

Below market~$7,500 equity
310 Harbor Ct, Key Biscayne FL 33149Score 68100% below

$12,900

310 Harbor Ct, Key Biscayne FL 33149

4bd · 2ba · 2,175 sqft

Below market~$4,214,100 equity
705 Crandon Blvd # 405, Key Biscayne FL 33149Score 6629% below

$9,500

705 Crandon Blvd # 405, Key Biscayne FL 33149

2bd · 2ba · 1,310 sqft

Below market~$3,500 equity
445 Grand Bay Dr # 310, Key Biscayne FL 33149Score 6672% below

$10,000

445 Grand Bay Dr # 310, Key Biscayne FL 33149

3bd · 4ba · 2,950 sqft

Below market~$26,000 equity
24 Grand Bay Estates Circle, Key Biscayne FL 33149Score 6325% below

$4,899,000

24 Grand Bay Estates Circle, Key Biscayne FL 33149

5bd · 5ba · 4,220 sqft

Below market~$1,615,000 equity
330 Gulf Rd, Key Biscayne FL 33149Score 6399% below

$40,000

330 Gulf Rd, Key Biscayne FL 33149

5bd · 5ba · 3,202 sqft

Below market~$4,902,000 equity
199 Ocean Lane Dr # 1004, Key Biscayne FL 33149Score 6299% below

$5,500

199 Ocean Lane Dr # 1004, Key Biscayne FL 33149

2bd · 2ba · 1,260 sqft

Below market~$1,093,500 equity
201 Knollwood Dr, Key Biscayne FL 33149Score 6199% below

$70,000

201 Knollwood Dr, Key Biscayne FL 33149

5bd · 6ba · 5,341 sqft

Below market~$13,383,000 equity
1121 Crandon Blvd # F1107, Key Biscayne FL 33149Score 6139% below

$7,750

1121 Crandon Blvd # F1107, Key Biscayne FL 33149

2bd · 2ba · 1,782 sqft

Below market~$5,250 equity
Key BiscayneScore 6138% below

$12,900

Key Biscayne

2bd · 3ba · 2,060 sqft

Below market~$8,100 equity
442 Ridgewood Rd, Key Biscayne FL 33149Score 61100% below

$26,499

442 Ridgewood Rd, Key Biscayne FL 33149

5bd · 7ba · 3,475 sqft

Below market~$5,337,501 equity
541 S Mashta Dr, Key Biscayne FL 33149Score 60100% below

$21,500

541 S Mashta Dr, Key Biscayne FL 33149

6bd · 9ba · 4,757 sqft

Below market~$7,559,500 equity
50 Ocean Lane Dr, Key Biscayne FL 33149Score 6053% below

$10,000

50 Ocean Lane Dr, Key Biscayne FL 33149

3bd · 3ba · 1,730 sqft

Below market~$11,000 equity
100 Sunrise Dr # 25, Key Biscayne FL 33149Score 5978% below

$1,400

100 Sunrise Dr # 25, Key Biscayne FL 33149

1bd · 1ba · 530 sqft

Below market~$4,600 equity
200 Ocean Lane Dr # 909, Key Biscayne FL 33149Score 5942% below

$8,000

200 Ocean Lane Dr # 909, Key Biscayne FL 33149

2bd · 2ba · 1,350 sqft

Below market~$6,000 equity
181 Crandon Blvd # 306, Key Biscayne FL 33149Score 5859% below

$8,000

181 Crandon Blvd # 306, Key Biscayne FL 33149

3bd · 2ba · 1,600 sqft

Below market~$12,000 equity
Key BiscayneScore 5899% below

$7,500

Key Biscayne

2bd · 2ba · 1,260 sqft

Below market~$1,117,500 equity
177 Ocean Lane Dr # 1008, Key Biscayne FL 33149Score 5845% below

$7,000

177 Ocean Lane Dr # 1008, Key Biscayne FL 33149

2bd · 2ba · 1,260 sqft

Below market~$6,000 equity
210 Sea View Dr # 405, Key Biscayne FL 33149Score 5767% below

$4,500

210 Sea View Dr # 405, Key Biscayne FL 33149

2bd · 2ba · 1,330 sqft

Below market~$9,500 equity
55 Ocean Lane Dr # 1030, Key Biscayne FL 33149Score 5670% below

$3,550

55 Ocean Lane Dr # 1030, Key Biscayne FL 33149

1bd · 2ba · 972 sqft

Below market~$8,450 equity
199 Ocean Lane Dr # 1001, Key Biscayne FL 33149Score 5699% below

$19,000

199 Ocean Lane Dr # 1001, Key Biscayne FL 33149

3bd · 3ba · 1,930 sqft

Below market~$1,665,000 equity
472 FERNWOOD DR # 472, Key Biscayne FL 33149Score 5699% below

$14,500

472 FERNWOOD DR # 472, Key Biscayne FL 33149

4bd · 4ba · 1,800 sqft

Below market~$1,627,500 equity
592 Fernwood Rd # B, Key Biscayne FL 33149Score 5645% below

$11,490

592 Fernwood Rd # B, Key Biscayne FL 33149

3bd · 3ba · 1,700 sqft

Below market~$9,510 equity
360 Ocean Dr # 905S, Key Biscayne FL 33149Score 5599% below

$20,000

360 Ocean Dr # 905S, Key Biscayne FL 33149

2bd · 3ba · 1,703 sqft

Below market~$1,690,000 equity
360 Ocean Dr # 305S, Key Biscayne FL 33149Score 5599% below

$19,000

360 Ocean Dr # 305S, Key Biscayne FL 33149

2bd · 3ba · 1,542 sqft

Below market~$3,486,000 equity
650 Curtiswood Dr, Key Biscayne FL 33149Score 5599% below

$21,400

650 Curtiswood Dr, Key Biscayne FL 33149

6bd · 5ba · 3,356 sqft

Below market~$4,003,600 equity
290 Sunrise Dr # 304, Key Biscayne FL 33149Score 5560% below

$3,600

290 Sunrise Dr # 304, Key Biscayne FL 33149

2bd · 1ba · 886 sqft

Below market~$5,400 equity
325 Fernwood Rd # 10, Key Biscayne FL 33149Score 5542% below

$3,300

325 Fernwood Rd # 10, Key Biscayne FL 33149

1bd · 1ba · 474 sqft

Below market~$2,700 equity
335 W Enid Dr, Key Biscayne FL 33149Score 55100% below

$20,000

335 W Enid Dr, Key Biscayne FL 33149

5bd · 6ba · 3,495 sqft

Below market~$4,172,000 equity
665 Allendale Rd, Key Biscayne FL 33149Score 5499% below

$18,500

665 Allendale Rd, Key Biscayne FL 33149

4bd · 3ba · 2,406 sqft

Below market~$2,867,500 equity
201 Crandon Blvd # 642, Key Biscayne FL 33149Score 5419% below

$15,500

201 Crandon Blvd # 642, Key Biscayne FL 33149

2bd · 3ba · 1,880 sqft

Below market~$3,500 equity
201 Crandon Blvd # 530, Key Biscayne FL 33149Score 5499% below

$7,900

201 Crandon Blvd # 530, Key Biscayne FL 33149

2bd · 2ba · 1,531 sqft

Below market~$613,100 equity
290 Sunrise Dr # 208, Key Biscayne FL 33149Score 5268% below

$3,800

290 Sunrise Dr # 208, Key Biscayne FL 33149

2bd · 2ba · 1,170 sqft

Below market~$8,200 equity
360 Ocean Dr # 606S, Key Biscayne FL 33149Score 5199% below

$29,800

360 Ocean Dr # 606S, Key Biscayne FL 33149

3bd · 5ba · 2,257 sqft

Below market~$5,100,200 equity
733 Crandon Blvd # 406, Key Biscayne FL 33149Score 5147% below

$16,000

733 Crandon Blvd # 406, Key Biscayne FL 33149

3bd · 3ba · 2,470 sqft

Below market~$14,000 equity
201 Crandon Blvd # 138, Key Biscayne FL 33149Score 5198% below

$12,000

201 Crandon Blvd # 138, Key Biscayne FL 33149

2bd · 3ba · 1,541 sqft

Below market~$613,000 equity
210 Sea View Dr # 207, Key Biscayne FL 33149Score 5168% below

$3,350

210 Sea View Dr # 207, Key Biscayne FL 33149

1bd · 2ba · 875 sqft

Below market~$7,650 equity
151 Crandon Blvd # 236, Key Biscayne FL 33149Score 5163% below

$5,700

151 Crandon Blvd # 236, Key Biscayne FL 33149

2bd · 2ba · 1,532 sqft

Below market~$10,300 equity
151 Crandon Blvd # 1134, Key Biscayne FL 33149Score 5199% below

$6,900

151 Crandon Blvd # 1134, Key Biscayne FL 33149

2bd · 2ba · 1,584 sqft

Below market~$1,324,100 equity
350 Ocean Dr # 205N, Key Biscayne FL 33149Score 5016% below

$3,500,000

350 Ocean Dr # 205N, Key Biscayne FL 33149

2bd · 3ba · 1,830 sqft

Below market~$659,000 equity
600 Grapetree Dr, Key Biscayne FL 33149Score 5017% below

$6,900

600 Grapetree Dr, Key Biscayne FL 33149

2bd · 2ba · 1,670 sqft

Below market~$1,100 equity
260 Cape Florida Dr, Key Biscayne FL 33149Score 5099% below

$150,000

260 Cape Florida Dr, Key Biscayne FL 33149

9bd · 10ba · 10,964 sqft

Below market~$18,293,000 equity
789 Crandon Blvd # 1003, Key Biscayne FL 33149Score 5042% below

$18,000

789 Crandon Blvd # 1003, Key Biscayne FL 33149

3bd · 5ba · 2,500 sqft

Below market~$13,000 equity
615 Ocean Dr # 6A, Key Biscayne FL 33149Score 4918% below

$18,000

615 Ocean Dr # 6A, Key Biscayne FL 33149

3bd · 3ba · 1,772 sqft

Below market~$4,000 equity
101 Crandon Blvd # 474, Key Biscayne FL 33149Score 4958% below

$6,800

101 Crandon Blvd # 474, Key Biscayne FL 33149

2bd · 2ba · 1,600 sqft

Below market~$9,200 equity
200 Ocean Lane Dr # 108, Key Biscayne FL 33149Score 4899% below

$11,500

200 Ocean Lane Dr # 108, Key Biscayne FL 33149

4bd · 3ba · 1,650 sqft

Below market~$1,393,500 equity
77 Crandon Blvd # 2E, Key Biscayne FL 33149Score 4714% below

$4,200

77 Crandon Blvd # 2E, Key Biscayne FL 33149

2bd · 2ba · 1,123 sqft

Below market~$800 equity
350 OCEAN DR # 304N, Key Biscayne FL 33149Score 4799% below

$28,000

350 OCEAN DR # 304N, Key Biscayne FL 33149

2bd · 4ba · 2,064 sqft

Below market~$2,044,000 equity
474 Fernwood Rd # 474, Key Biscayne FL 33149Score 47100% below

$15,500

474 Fernwood Rd # 474, Key Biscayne FL 33149

4bd · 4ba · 3,874 sqft

Below market~$3,518,500 equity
791 Crandon Blvd # 404, Key Biscayne FL 33149Score 4348% below

$16,000

791 Crandon Blvd # 404, Key Biscayne FL 33149

3bd · 3ba · 2,510 sqft

Below market~$15,000 equity
725 Crandon Blvd # 203, Key Biscayne FL 33149Score 4399% below

$18,000

725 Crandon Blvd # 203, Key Biscayne FL 33149

4bd · 3ba · 2,174 sqft

Below market~$1,965,000 equity
785 Crandon Blvd # 803, Key Biscayne FL 33149Score 4238% below

$19,000

785 Crandon Blvd # 803, Key Biscayne FL 33149

3bd · 5ba · 2,500 sqft

Below market~$12,000 equity

Off-market & wholesale deals in Key Biscayne, FL

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Adonait Business LLC · Aventura, FL · Estimates are automated and for information only — not an appraisal or investment advice. Data from MIAMI MLS. Canonical: https://deals.adonait.com/city/key-biscayne