Recently Sold Homes in Key Biscayne
Every home, condo and townhome that closed in Key Biscayne, Florida in the last six months, newest first, with the sale price and days on market straight from BeachesMLS.
Homes that closed in Key Biscayne in the last six months, newest first, with the sale price, price per square foot and days on market for each. Recent sales are the numbers a valuation is built on, and the fastest way to see what a home like yours actually fetched.
The 48 newest sales are below; see every match with map and filters.
The 48 sales on this page run from $430,000 to $14,000,000, with a median of $1,490,000, about $940 per square foot, and they sold in a median of 55 days.
Sold $2,100,000
Closed Sep 22, 2026 · 201 Crandon Boulevard 707, Key Biscayne FL 33149
2 bd · 2 ba · 1,880 sq ft · $1,117/sq ft · 0 days on market · 100% of list priceSold $1,160,000
Closed Sep 15, 2026 · 1121 Crandon Boulevard E405, Key Biscayne FL 33149
2 bd · 2 ba · 1,409 sq ft · $823/sq ft · 94 days on market · 94.7% of list priceSold $1,530,000
Closed Sep 14, 2026 · 1121 Crandon Boulevard F403, Key Biscayne FL 33149
2 bd · 2 ba · 1,597 sq ft · $958/sq ft · 53 days on market · 97.5% of list priceSold $1,400,000
Closed Sep 14, 2026 · 151 Crandon Boulevard 241, Key Biscayne FL 33149
2 bd · 2 ba · 1,532 sq ft · $914/sq ft · 132 days on market · 93.3% of list priceSold $1,325,000
Closed Sep 14, 2026 · 1121 Crandon Boulevard E1205, Key Biscayne FL 33149
2 bd · 2 ba · 1,409 sq ft · $940/sq ft · 56 days on market · 95% of list priceSold $2,900,000
Closed Sep 8, 2026 · 600 Grapetree Drive 10BN, Key Biscayne FL 33149
3 bd · 3 ba · 2,943 sq ft · $985/sq ft · 98 days on market · 100% of list priceSold $2,220,000
Closed Sep 4, 2026 · 881 Ocean Drive 7D, Key Biscayne FL 33149
3 bd · 2 ba · 1,875 sq ft · $1,184/sq ft · 111 days on market · 94.5% of list priceSold $1,250,000
Closed Sep 2, 2026 · 151 Crandon Boulevard 626, Key Biscayne FL 33149
2 bd · 2 ba · 1,532 sq ft · $816/sq ft · 149 days on market · 96.5% of list priceSold $1,200,000
Closed Aug 27, 2026 · 201 Crandon Boulevard 227, Key Biscayne FL 33149
2 bd · 2 ba · 1,531 sq ft · $784/sq ft · 103 days on market · 75% of list priceSold $3,100,000
Closed Aug 24, 2026 · 301 Hampton Lane, Key Biscayne FL 33149
4 bd · 3 ba · 2,068 sq ft · $1,499/sq ft · 96 days on market · 96.9% of list priceSold $1,400,000
Closed Aug 21, 2026 · 600 Grapetree Drive 9GN, Key Biscayne FL 33149
2 bd · 2 ba · 1,670 sq ft · $838/sq ft · 114 days on market · 87.6% of list priceSold $1,480,000
Closed Aug 20, 2026 · 1111 Crandon Boulevard C902, Key Biscayne FL 33149
3 bd · 2 ba · 1,782 sq ft · $831/sq ft · 43 days on market · 95.5% of list priceSold $1,500,000
Closed Aug 20, 2026 · 50 Ocean Lane Drive PH601, Key Biscayne FL 33149
4 bd · 3 ba · 1,730 sq ft · $867/sq ft · 5 days on market · 100% of list priceSold $2,100,000
Closed Aug 14, 2026 · 600 Grapetree Drive 7ES, Key Biscayne FL 33149
3 bd · 3 ba · 2,281 sq ft · $921/sq ft · 28 days on market · 95.5% of list priceSold $2,700,000
Closed Aug 14, 2026 · 1111 Crandon Boulevard B1108, Key Biscayne FL 33149
2 bd · 2 ba · 1,782 sq ft · $1,515/sq ft · 33 days on market · 93.3% of list priceSold $1,066,687
Closed Aug 14, 2026 · 1121 Crandon Boulevard D404, Key Biscayne FL 33149
2 bd · 2 ba · 1,409 sq ft · $757/sq ft · 238 days on market · 108.3% of list priceSold $3,045,000
Closed Aug 13, 2026 · 765 Crandon Boulevard PH-4, Key Biscayne FL 33149
3 bd · 3 ba · 2,602 sq ft · $1,170/sq ft · 60 days on market · 99% of list priceSold $3,975,000
Closed Aug 12, 2026 · 781 Crandon Boulevard 804, Key Biscayne FL 33149
3 bd · 5 ba · 2,500 sq ft · $1,590/sq ft · 135 days on market · 97% of list priceSold $5,200,000
Closed Aug 11, 2026 · 669 S Mashta Drive, Key Biscayne FL 33149
4 bd · 4 ba · 3,382 sq ft · $1,538/sq ft · 38 days on market · 89.7% of list priceSold $1,380,000
Closed Aug 10, 2026 · 155 Ocean Lane Drive 614, Key Biscayne FL 33149
2 bd · 2 ba · 1,350 sq ft · $1,022/sq ft · 15 days on market · 95.2% of list priceSold $1,950,000
Closed Aug 7, 2026 · , Key Biscayne FL 33149
2 bd · 2 ba · 1,782 sq ft · $1,094/sq ft · 97 days on market · 94% of list priceSold $10,850,000
Closed Aug 7, 2026 · 111 Reef Lane, Key Biscayne FL 33149
7 bd · 6 ba · 5,008 sq ft · $2,167/sq ft · 176 days on market · 94.3% of list priceSold $1,300,000
Closed Aug 6, 2026 · 201 Crandon Boulevard 424, Key Biscayne FL 33149
2 bd · 2 ba · 1,531 sq ft · $849/sq ft · 15 days on market · 96.4% of list priceSold $1,550,000
Closed Aug 5, 2026 · 705 Crandon Boulevard 506, Key Biscayne FL 33149
2 bd · 2 ba · 1,310 sq ft · $1,183/sq ft · 20 days on market · 94% of list priceSold $875,000
Closed Aug 4, 2026 · 101 Ocean Lane Drive 1013, Key Biscayne FL 33149
2 bd · 2 ba · 1,450 sq ft · $603/sq ft · 103 days on market · 97.8% of list priceSold $14,000,000
Closed Aug 3, 2026 · 591 N Mashta Drive, Key Biscayne FL 33149
4 bd · 5 ba · 4,290 sq ft · $3,263/sq ft · 159 days on market · 90.3% of list priceSold $1,550,000
Closed Aug 3, 2026 · 715 Crandon Boulevard PH-5, Key Biscayne FL 33149
2 bd · 2 ba · 1,310 sq ft · $1,183/sq ft · 318 days on market · 97.2% of list priceSold $480,000
Closed Aug 3, 2026 · 255 Sunrise Drive 207, Key Biscayne FL 33149
1 bd · 1 ba · 676 sq ft · $710/sq ft · 14 days on market · 100% of list priceSold $1,500,000
Closed Aug 2, 2026 · 1121 Crandon Boulevard F1203, Key Biscayne FL 33149
2 bd · 2 ba · 1,597 sq ft · $939/sq ft · 4 days on market · 100% of list priceSold $2,525,000
Closed Jul 31, 2026 · 605 Ocean Drive 7L, Key Biscayne FL 33149
3 bd · 3 ba · 1,772 sq ft · $1,425/sq ft · 48 days on market · 97.1% of list priceSold $1,250,000
Closed Jul 31, 2026 · 151 Crandon Boulevard 702, Key Biscayne FL 33149
2 bd · 2 ba · 1,506 sq ft · $830/sq ft · 379 days on market · 89.3% of list priceSold $635,000
Closed Jul 30, 2026 · 155 Ocean Lane Drive 707, Key Biscayne FL 33149
1 bd · 2 ba · 895 sq ft · $709/sq ft · 44 days on market · 98.4% of list priceSold $7,000,000
Closed Jul 29, 2026 · 360 Ocean Drive 1106S, Key Biscayne FL 33149
3 bd · 5 ba · 2,257 sq ft · $3,101/sq ft · 8 days on market · 100% of list priceSold $4,700,000
Closed Jul 27, 2026 · 346 Gulf Road, Key Biscayne FL 33149
5 bd · 6 ba · 3,285 sq ft · $1,431/sq ft · 45 days on market · 89.5% of list priceSold $950,000
Closed Jul 24, 2026 · 455 Grand Bay Drive 718, Key Biscayne FL 33149
0 bd · 1 ba · 378 sq ft · $2,513/sq ft · 3 days on market · 100.6% of list priceSold $512,500
Closed Jul 24, 2026 · 100 Ocean Lane Drive 202, Key Biscayne FL 33149
1 bd · 2 ba · 870 sq ft · $589/sq ft · 150 days on market · 86.1% of list priceSold $780,000
Closed Jul 20, 2026 · 151 Crandon Boulevard 127, Key Biscayne FL 33149
1 bd · 2 ba · 1,103 sq ft · $707/sq ft · 125 days on market · 93.4% of list priceSold $3,950,000
Closed Jul 17, 2026 · 791 Crandon Boulevard 405, Key Biscayne FL 33149
3 bd · 5 ba · 3,084 sq ft · $1,281/sq ft · 70 days on market · 96.5% of list priceSold $1,870,000
Closed Jul 17, 2026 · 200 Ocean Lane Drive 1102, Key Biscayne FL 33149
2 bd · 2 ba · 1,320 sq ft · $1,417/sq ft · 73 days on market · 98.7% of list priceSold $1,110,000
Closed Jul 17, 2026 · 181 Crandon Boulevard 106, Key Biscayne FL 33149
2 bd · 2 ba · 1,600 sq ft · $694/sq ft · 200 days on market · 91.7% of list priceSold $1,330,000
Closed Jul 16, 2026 · 141 Crandon Boulevard 331, Key Biscayne FL 33149
3 bd · 2 ba · 1,790 sq ft · $743/sq ft · 17 days on market · 95.3% of list priceSold $3,010,000
Closed Jul 15, 2026 · 204 Westwood Drive, Key Biscayne FL 33149
3 bd · 2 ba · 2,113 sq ft · $1,425/sq ft · 28 days on market · 95.1% of list priceSold $1,040,000
Closed Jul 13, 2026 · 199 Ocean Lane Drive 512, Key Biscayne FL 33149
2 bd · 2 ba · 1,260 sq ft · $825/sq ft · 13 days on market · 90.4% of list priceSold $1,525,000
Closed Jul 13, 2026 · 201 S Crandon Boulevard 143, Key Biscayne FL 33149
2 bd · 2 ba · 1,541 sq ft · $990/sq ft · 31 days on market · 89.8% of list priceSold $1,080,000
Closed Jul 13, 2026 · 181 Crandon Boulevard 405, Key Biscayne FL 33149
2 bd · 2 ba · 1,600 sq ft · $675/sq ft · 20 days on market · 93.9% of list priceSold $789,000
Closed Jul 13, 2026 · 575 Crandon Boulevard 707, Key Biscayne FL 33149
2 bd · 2 ba · 1,311 sq ft · $602/sq ft · 76 days on market · 95.2% of list priceSold $430,000
Closed Jul 10, 2026 · 300 Sunrise Drive 1B, Key Biscayne FL 33149
1 bd · 1 ba · 590 sq ft · $729/sq ft · 10 days on market · 107.8% of list priceSold $1,200,000
Closed Jul 10, 2026 · 141 Crandon Boulevard 237, Key Biscayne FL 33149
3 bd · 2 ba · 1,600 sq ft · $750/sq ft · 35 days on market · 96% of list price
Reading Key Biscayne Sales
Each sale shows the closing price, the closing date, the price per square foot and the days on market. Compare the closing price with the last asking price to see how much room there was to negotiate, and compare days on market across sales to see which homes were priced right from the start. Across Key Biscayne in the last 90 days, single-family sellers achieved 90.8% of their asking price and condo sellers 95.5%.
Recent Sales Are What a Valuation Is Built On
An estimate of your home's value starts from the closed sales closest to it in place, size, age and features, adjusted for what is different. These are those sales. Request a free valuation and a BreakThru broker prepares it from the ones that match your home, or ask for a comparative market analysis before you list.
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