The Keith & Sonia Team is a dynamic duo with very diverse backgrounds, which has enabled them to provide clients with a full range of services. Keith Marks, a former computer software developer brought his passion to the world of real estate when visiting Florida from his native St. Louis, Missouri. Sonia Toth is a dual citizen of the United States and Brazil, with a degree in law studies and a real estate agent since 2002.
The Keith & Sonia Team is known for diligently helping clients navigate the myriad of complexities involved in buying, selling and leasing real estate in Florida, specializing in prime Miami Beach, South Beach neighborhoods, the Keith & Sonia Team covers the full spectrum of property types and price points across these desirable destinations. Their stellar sales record and reputation have consistently been built on delivering prudent, objective advice and guidance, while maintaining the utmost level of client service. Together they thrive on being an all-encompassing resource for their clients.
South Florida is about being able to celebrate the cultural diversity, yet inclusive nature that this wonderful community has to offer. They are deeply in love with Florida and their enthusiasm and integrity shows in the excitement and energy infused into every client engagement.
“We are proud to live, work and serve our current and future neighbors.” - Keith Marks and Sonia Toth
The collection of luxury oceanfront and waterfront real estate in Miami Beach and Southern Florida
$22,000,000
$55,000
Here is a list of Keith and Sonia's most recent property sales, with the most-recent ones showing first. You may resort the list by clicking on any column.
| Property | Unit | Price | Sold Price | Sold $/sqft | Beds/ Baths | Interior Space | More |
|---|---|---|---|---|---|---|---|
| Continuum On South Beach | 2409 | $38,000 | Pending | RENTAL | 3/3 | 2,122 s.f. (197.1 m²) |
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| Continuum South | 907 | $5,200,000 | $4,800,000 | $2,566.84/s.f. | 2/2½ | 1,870 s.f. (173.7 m²) |
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| Continuum North | 2402 | $10,500,000 | $10,000,000 | $3,481.89/s.f. | 4/4½ | 2,872 s.f. (266.8 m²) |
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| Continuum On South Beach | 1207 | $3,800,000 | $3,500,000 | $2,425.50/s.f. | 2/2½ | 1,443 s.f. (134.1 m²) |
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| Icon Brickell No Two | 2806 | $585,000 | $500,000 | $683.06/s.f. | 1/1 | 732 s.f. (68.0 m²) |
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| 4701 North Meridian Condo | 125 | $3,999,999 | $3,750,000 | $1,561.85/s.f. | 2/2½ | 2,401 s.f. (223.1 m²) |
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| One Paraiso Condo | 3401 | $1,850,000 | $1,775,000 | $1,086.29/s.f. | 3/3½ | 1,634 s.f. (151.8 m²) |
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| Continuum On South Beach | 506 | $7,300,000 | $6,750,000 | $2,691.39/s.f. | 3/3½ | 2,508 s.f. (233.0 m²) |
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| Yacht Club At Portofino C | 2806 | $949,000 | $865,000 | $1,108.97/s.f. | 1/1 | 780 s.f. (72.5 m²) |
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| One Paraiso Condo | 2304 | $1,425,000 | $1,400,000 | $917.43/s.f. | 3/3½ | 1,526 s.f. (141.8 m²) |
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| Golden House Condo | 502 | $299,000 | $290,000 | $377.60/s.f. | 1/1½ | 768 s.f. (71.3 m²) |
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| 900 NE 75th St |  |
$1,599,000 | $1,500,000 | $729.57/s.f. | 2/2 | 2,398 s.f. (222.8 m²) |
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| 736 NE 74th St | |
$1,125,000 | $1,060,000 | $636.25/s.f. | 3/2 | 1,856 s.f. (172.4 m²) |
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| Yacht Club At Portofino C | 2910 | $1,500,000 | $1,475,000 | $1,353.21/s.f. | 2/2 | 1,090 s.f. (101.3 m²) |
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| Paramount Miami Worldcent | 701 | $3,600,000 | $3,500,000 | $1,428.57/s.f. | 3/4 | 2,450 s.f. (227.6 m²) |
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| The Presidential Condo | 612 | $450,000 | $425,000 | $648.85/s.f. | 1/1 | 655 s.f. (60.9 m²) |
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| Green Diamond Condo | 3207 | $6,300 | Pending | RENTAL | 2/2 | 1,380 s.f. (128.2 m²) |
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$870,000 | $870,000 | $819.21/s.f. | 2/1 | 1,062 s.f. (98.7 m²) |
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| Continuum On South Beach | 501 | $1,700,000 | $1,400,000 | $1,772.15/s.f. | 1/1 | 790 s.f. (73.4 m²) |
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| 769 NE 77th Ter | |
$9,500,000 | $9,000,000 | $1,658.37/s.f. | 5/6½ | 5,942 s.f. (552.0 m²) |
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| Continuum On South Beach | 513 | $1,375,000 | $1,050,000 | $1,502.15/s.f. | 0/1 | 699 s.f. (64.9 m²) |
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| Sunset Harbour South Cond | 1115 | $820,000 | $790,000 | $692.98/s.f. | 2/2 | 1,140 s.f. (105.9 m²) |
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| Continuum On South Beach | 3905 | $7,200,000 | $6,500,000 | $3,625.21/s.f. | 2/2½ | 1,793 s.f. (166.6 m²) |
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| Vizcayne North Condo | 4808 | $1,187,950 | $1,100,000 | $612.81/s.f. | 3/3 | 1,795 s.f. (166.8 m²) |
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| Nine Island Avenue Condo | 1409 | $1,000,000 | $1,007,500 | $682.13/s.f. | 2/2 | 1,477 s.f. (137.2 m²) |
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| Brickell Biscayne Condo | 6K | $400,000 | $395,000 | $491.29/s.f. | 1/1½ | 804 s.f. (74.7 m²) |
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| One Thousand Museum Condo | 2201 | $7,500,000 | $6,975,000 | $1,516.30/s.f. | 4/5½ | 4,600 s.f. (427.4 m²) |
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| Jade Signature Condo | 2001 | $6,150,000 | $6,975,000 | $2,044.26/s.f. | 4/5½ | 4,279 s.f. (397.5 m²) |
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| Paraiso Bay Condo | 3708 | $650,000 | $650,000 | $920.68/s.f. | 1/1½ | 706 s.f. (65.6 m²) |
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| Continuum On South Beach | 3102 | $5,100,000 | $5,000,000 | $2,791.74/s.f. | 2/2½ | 1,791 s.f. (166.4 m²) |
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| Gran Paraiso Condo | 707 | $1,175,000 | $1,070,000 | $648.88/s.f. | 3/3 | 1,649 s.f. (153.2 m²) |
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| Continuum North Tower | 2004 | $2,995,000 | $2,790,000 | $1,933.47/s.f. | 1/1½ | 1,443 s.f. (134.1 m²) |
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| Parkline Miami | 4404 | $4,120 | Pending | RENTAL | 1/1 | 1,077 s.f. (100.1 m²) |
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| One Thousand Museum Condo | 2202 | $7,400,000 | $6,800,000 | $1,478.26/s.f. | 4/5 | 4,600 s.f. (427.4 m²) |
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| Yacht Club At Portofino C | 2603 | $820,000 | $795,000 | $736.11/s.f. | 2/2 | 1,080 s.f. (100.3 m²) |
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| Continuum North Tower | 1207 | $2,485,000 | $2,425,000 | $1,680.53/s.f. | 2/2½ | 1,443 s.f. (134.1 m²) |
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| Continuum North Tower | 609 | $899,000 | $845,000 | $1,138.81/s.f. | 1/1 | 742 s.f. (68.9 m²) |
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| Sunset Harbour North Cond | 2407 | $735,000 | $710,000 | $554.69/s.f. | 2/2 | 1,280 s.f. (118.9 m²) |
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| Bay Park Towers Condo | 912 | $239,000 | $220,000 | $500.00/s.f. | 0/1 | 440 s.f. (40.9 m²) |
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| Portofino Tower Condo | 2006 | $2,249,000 | $2,175,000 | $1,066.18/s.f. | 2/2½ | 2,040 s.f. (189.5 m²) |
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| Home | $19,500 | Pending | RENTAL | 2/2½ | 1,757 s.f. (163.2 m²) |
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| Bay Park Towers Condo | 913 | $420,000 | $400,000 | $486.62/s.f. | 1/1 | 822 s.f. (76.4 m²) |
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| Continuum South Tower | 806 | $6,800,000 | $6,350,000 | $2,531.90/s.f. | 2/2½ | 2,508 s.f. (233.0 m²) |
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| Continuum South Tower | 3302 | $4,100,000 | $3,900,000 | $2,177.55/s.f. | 2/2½ | 1,791 s.f. (166.4 m²) |
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| Bentley Beach Condo | 918 | $575,000 | $500,000 | $1,369.86/s.f. | 1/1 | 365 s.f. (33.9 m²) |
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| Bentley Beach Condo | 911 | $875,000 | $800,000 | $1,126.76/s.f. | 1/1 | 710 s.f. (66.0 m²) |
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| Bentley Beach Condo | 513 | $475,000 | $400,000 | $1,000.00/s.f. | 0/1 | 400 s.f. (37.2 m²) |
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| Continuum North Tower | 1201/08 | $7,890,000 | $7,400,000 | $2,173.27/s.f. | 3/3½ | 3,405 s.f. (316.3 m²) |
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| Paramount Bay | 3303 | $1,150,000 | $950,000 | $556.21/s.f. | 3/3 | 1,708 s.f. (158.7 m²) |
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| Continuum | 509 | $2,200,000 | $2,000,000 | $1,253.92/s.f. | 2/2½ | 1,595 s.f. (148.2 m²) |
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| One Thousand Museum Condo | 2102 | $5,100,000 | $4,750,000 | $1,032.61/s.f. | 4/5½ | 4,600 s.f. (427.4 m²) |
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| Continuum North | 1906 | $2,200,000 | $2,000,000 | $1,245.33/s.f. | 2/2½ | 1,606 s.f. (149.2 m²) |
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| Continuum On South Beach | 1101 | $2,550,000 | Pending | $1,602.77/s.f. | 2/2½ | 1,591 s.f. (147.8 m²) |
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| Il Villaggio South Beach | BH-03 | $4,250,000 | Pending | $1,647.29/s.f. | 3/3½ | 2,580 s.f. (239.7 m²) |
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| 16610 Sunset Way | |
$3,000,000 | $2,450,000 | $309.46/s.f. | 6/8½ | 10,133 s.f. (941.4 m²) |
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| Continuum South | 907 | $3,100,000 | $2,800,000 | $1,497.33/s.f. | 2/2½ | 1,870 s.f. (173.7 m²) |
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| Continuum North | 3003 | $4,600,000 | $4,200,000 | $1,932.81/s.f. | 3/3½ | 2,173 s.f. (201.9 m²) |
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| Continuum South | 3502 | $3,600,000 | $3,250,000 | 2/2½ | 0 s.f. (0.0 m²) |
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| Continuum South | 2409 | $3,600,000 | $2,950,000 | $1,390.20/s.f. | 3/3 | 2,122 s.f. (197.1 m²) |
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| Continuum North | TH 5 | $6,450,000 | $6,000,000 | $2,068.25/s.f. | 4/4½ | 2,901 s.f. (269.5 m²) |
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| St Tropez On The Bay Ii C | 2-1805 | $795,500 | $750,000 | $503.69/s.f. | 3/2 | 1,489 s.f. (138.3 m²) |
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| 100 S Pointe Dr | 3305 | $3,500,000 | $3,100,000 | $1,657.75/s.f. | 2/2½ | 1,870 s.f. (173.7 m²) |
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| Marquis | 2503 | $629,000 | $570,000 | $380.51/s.f. | 2/2½ | 1,498 s.f. (139.2 m²) |
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| Continuum North | 1002 | $4,725,000 | $4,100,000 | $2,073.85/s.f. | 3/3 | 1,977 s.f. (183.7 m²) |
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| Continuum South Tower | 1110 | $3,990,000 | $3,500,000 | $1,649.39/s.f. | 3/3 | 2,122 s.f. (197.1 m²) |
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| Continuum North | 602 | $1,650,000 | $1,552,000 | $1,294.41/s.f. | 2/2 | 1,199 s.f. (111.4 m²) |
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| Continuum | 605 | $975,000 | $850,000 | $1,395.73/s.f. | 1/1 | 609 s.f. (56.6 m²) |
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| Portofino Tower | 807 | $785,000 | $725,000 | $625.00/s.f. | 1/1½ | 1,160 s.f. (107.8 m²) |
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| Bentley Beach Condo | 911 | $890,000 | $870,000 | $1,225.35/s.f. | 1/1 | 710 s.f. (66.0 m²) |
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| Continuum South Tower | 1004 | $5,595,000 | $5,050,000 | $2,203.32/s.f. | 2/2 | 2,292 s.f. (212.9 m²) |
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| Continuum On South Beach | 801 | $19,800,000 | $15,300,000 | $2,114.43/s.f. | 6/7 Full and 2x½ | 7,236 s.f. (672.2 m²) |
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| Portofino Tower | 1501 | $3,650,000 | $3,365,000 | $1,438.03/s.f. | 3/2½ | 2,340 s.f. (217.4 m²) |
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| Continuum South | 3605 | $3,350,000 | $2,800,000 | $1,561.63/s.f. | 2/2 | 1,793 s.f. (166.6 m²) |
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| The Mirador North | 829 | $390,000 | $370,000 | $442.05/s.f. | 1/1 | 837 s.f. (77.8 m²) |
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| Oceana Iv | 2641 | $1,500,000 | $1,200,000 | $512.82/s.f. | 3/3 | 2,340 s.f. (217.4 m²) |
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| Portofino On South Beach | 2304 | $2,495,000 | $2,450,000 | $1,200.98/s.f. | 3/2½ | 2,040 s.f. (189.5 m²) |
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| Continuum North | 513 | $965,000 | $945,000 | $1,351.93/s.f. | 0/1 | 699 s.f. (64.9 m²) |
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| Continuum On South Beach | 2607 | $4,200,000 | $3,600,000 | $2,048.95/s.f. | 2/2½ | 1,757 s.f. (163.2 m²) |
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| Yacht Club At Portofino | 2603 | $789,000 | $745,000 | $689.81/s.f. | 2/2 | 1,080 s.f. (100.3 m²) |
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| Continuum North Tower | 610 | $1,300,000 | $1,200,000 | $1,320.13/s.f. | 1/1½ | 909 s.f. (84.4 m²) |
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| Continuum South Beach | 1007 | $2,200,000 | $2,085,000 | $1,444.91/s.f. | 2/2½ | 1,443 s.f. (134.1 m²) |
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| Executive Condo | 3A | $725,000 | $700,000 | $391.06/s.f. | 2/2½ | 1,790 s.f. (166.3 m²) |
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| Continuum On South Beach | 2105 | $3,400,000 | $3,275,000 | $1,752.27/s.f. | 2/2½ | 1,869 s.f. (173.6 m²) |
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| Portofino Tower | 3701 | $3,950,000 | $3,550,000 | $1,392.16/s.f. | 3/2½ | 2,550 s.f. (236.9 m²) |
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| Continuum South Tower | 3201 | $3,595,000 | $3,200,000 | $1,649.48/s.f. | 2/2½ | 1,940 s.f. (180.2 m²) |
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| Continuum South Tower | 3807 | $6,900,000 | $6,050,000 | $2,048.07/s.f. | 3/4½ | 2,954 s.f. (274.4 m²) |
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| Continuum On South Beach | 2101 | $2,275,000 | $2,085,000 | $1,310.50/s.f. | 2/2½ | 1,591 s.f. (147.8 m²) |
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| Continuum On South Beach | 2602 | $5,750,000 | $5,100,000 | $1,690.42/s.f. | 4/4½ | 3,017 s.f. (280.3 m²) |
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| Floridian | 1509 | $570,000 | $530,000 | $491.65/s.f. | 2/2 | 1,078 s.f. (100.1 m²) |
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| Continuum South Tower | 1202 | $1,395,000 | $1,350,000 | $1,124.06/s.f. | 1/1½ | 1,201 s.f. (111.6 m²) |
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| Continuum | 2406 | $2,599,000 | $2,400,000 | $1,283.42/s.f. | 2/2½ | 1,870 s.f. (173.7 m²) |
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| Yacht Club | 612 | $699,000 | $670,000 | $592.92/s.f. | 2/2 | 1,130 s.f. (105.0 m²) |
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| Continuum On South Beach | 2002 | $1,495,000 | $1,450,000 | $1,207.33/s.f. | 1/1½ | 1,201 s.f. (111.6 m²) |
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| 255 Palm Av | |
$950,000 | $926,000 | $320.64/s.f. | 5/4 | 2,888 s.f. (268.3 m²) |
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| Continuum South Tower | 3207 | $4,995,000 | $4,500,000 | 4/4½ | 2,954 s.f. (274.4 m²) |
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| 1120 N Venetian Dr | |
$995,000 | $960,000 | 3/3 | 1,888 s.f. (175.4 m²) |
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| Continuum On South Beach | 2302 | $5,300,000 | $5,000,000 | 4/4½ | 3,017 s.f. (280.3 m²) |
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| Portofino Tower | 802 | $699,000 | $655,000 | 1/1½ | 1,090 s.f. (101.3 m²) |
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| Continuum On South Beach | 3502 | $1,895,000 | $1,800,000 | 2/2½ | 1,791 s.f. (166.4 m²) |
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| Continuum On South Beach | 2401 | $1,250,000 | $1,350,000 | 2/2½ | 1,591 s.f. (147.8 m²) |
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| Continuum North Tower | 3003 | $2,950,000 | $2,700,000 | 3/3½ | 2,306 s.f. (214.2 m²) |
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| Continuum North Tower | 801 | $7,900,000 | $6,500,000 | 5/4½ | 5,300 s.f. (492.4 m²) |
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| Continuum On South Beach | 1007 | $2,250,000 | $1,999,000 | 2/2½ | 1,870 s.f. (173.7 m²) |
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| Continuum On South Beach | 809 | $1,600,000 | $1,500,000 | 2/2½ | 1,595 s.f. (148.2 m²) |
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| Continuum On South Beach | 1006 | $1,399,000 | $1,250,000 | 2/2½ | 1,698 s.f. (157.7 m²) |
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| Continuum North Tower | 612 | $540,000 | $500,000 | 1/1 | 0 s.f. (0.0 m²) |
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| Yacht Club At Portofino | 612 | $499,000 | $400,000 | 2/2 | 1,130 s.f. (105.0 m²) |
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| Continuum On South Beach | 1001 | $1,200,000 | $1,150,000 | 2/2½ | 1,591 s.f. (147.8 m²) |
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| Continuum On South Beach | 1505 | $1,350,000 | $1,200,000 | 2/2½ | 1,698 s.f. (157.7 m²) |
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| Continuum | 901 | $1,575,000 | $1,525,000 | 2/2½ | 1,591 s.f. (147.8 m²) |
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| South Pointe Towers | 507 | $545,000 | $525,000 | 1/1½ | 858 s.f. (79.7 m²) |
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| Murano Grande | 2103 | $2,550,000 | $2,300,000 | 3/3 | 3,058 s.f. (284.1 m²) |
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| Parkline Miami | 4601 | $4,995 | Pending | RENTAL | 2/2½ | 1,428 s.f. (132.7 m²) |
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| Parkline Miami | 4703 | $5,780 | Pending | RENTAL | 2/2½ | 1,428 s.f. (132.7 m²) |
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| Parkline Miami | 4003 | $2,195 | Pending | RENTAL | 0/1 | 630 s.f. (58.5 m²) |
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| Parkline Miami | 4010 | $2,149 | Pending | RENTAL | 0/1 | 646 s.f. (60.0 m²) |
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| Parkline Miami | 4706 | $4,995 | Pending | RENTAL | 2/2½ | 1,396 s.f. (129.7 m²) |
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| Parkline Miami | 4107 | $2,899 | Pending | RENTAL | 1/1 | 735 s.f. (68.3 m²) |
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| Parkline Miami | PH4606 | $4,960 | Pending | RENTAL | 2/2½ | 1,396 s.f. (129.7 m²) |
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| Parkline Miami | 4602 | $5,805 | Pending | RENTAL | 2/2½ | 1,428 s.f. (132.7 m²) |
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| Parkline Miami | 4407 | $5,195 | Pending | RENTAL | 2/2½ | 1,495 s.f. (138.9 m²) |
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| Parkline Miami | PH4405 | $5,470 | Pending | RENTAL | 2/2½ | 1,522 s.f. (141.4 m²) |
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| Flamingo South Beach I Co | 816S | $8,200 | Pending | RENTAL | 2/2 | 1,077 s.f. (100.1 m²) |
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| Parkline Miami | PH4305 | $5,295 | Pending | RENTAL | 2/2½ | 1,522 s.f. (141.4 m²) |
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| Parkline Miami | PH4605 | $4,820 | Pending | RENTAL | 2/2½ | 1,313 s.f. (122.0 m²) |
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| Parkline Miami | 4004 | $3,100 | Pending | RENTAL | 1/1½ | 952 s.f. (88.4 m²) |
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| Parkline Miami | 4105 | $4,275 | Pending | RENTAL | 2/2½ | 1,522 s.f. (141.4 m²) |
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| Parkline Miami | 4705 | $4,920 | Pending | RENTAL | 2/2½ | 1,313 s.f. (122.0 m²) |
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| Parkline Miami | 4008 | $3,000 | Pending | RENTAL | 1/1½ | 908 s.f. (84.4 m²) |
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| Parkline Miami | 4106 | $4,250 | Pending | RENTAL | 2/2½ | 1,314 s.f. (122.1 m²) |
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| Parkline Miami | 4701 | $6,030 | Pending | RENTAL | 2/2½ | 1,428 s.f. (132.7 m²) |
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