New-Build Spec Mansion on San Marco Island Sells for a Reported $48.5 Million
Photo courtesy to Mansion Global
A newly completed spec mansion on San Marco Island in the Venetian Islands sold for $48.5 million, according to Mansion Global. The outlet described the price as a new record for the Venetian Islands, exceeding the $46 million sale of a mansion on San Marino Island in 2025. Miami MLS listing records (MLS #A11932345) give the address as 1413 North Venetian Way and show the sale closing on October 7, 2026, at $48.5 million.
| Quick facts | |
|---|---|
| Address | 1413 North Venetian Way, San Marco Island (MLS listing records) |
| Reported sale price | $48.5 million (Mansion Global; MLS listing records) |
| Sale date | October 7, 2026 (MLS listing records) |
| Previous record cited | $46 million, San Marino Island, 2025 (Mansion Global; The Real Deal) |
| Size | 10,689 square feet, two stories (Mansion Global) |
| Bedrooms | Seven (Mansion Global) |
| Waterfront | 103 feet, deep-water dock and boat lift (Mansion Global) |
| Parking | Subterranean 10-car garage (Mansion Global) |
| First list price | $60 million in December (Mansion Global); $59.9 million on December 17, 2025 (MLS listing records) |
| Last asking price | $47.5 million (Mansion Global, citing The Real Deal) |
The house
According to Mansion Global, the two-story house was a spec build completed this year. The outlet reported that it covers 10,689 square feet, making it the largest home on San Marco Island, with seven bedrooms, glass curtain walls and a three-tiered green roof. It sits on a north-facing lot with open water and Miami skyline views.
Outside, Mansion Global described a 14-foot seawall, a deep-water dock and boat lift, a 70-foot pool, a summer kitchen, a subterranean garage for 10 cars and two levels of shaded decks facing the water. The house was sold furnished, the outlet reported.
The sellers, a New York-based couple who own Maven Construction Corp., bought the property in 2021 for $5.9 million, built the home and named it Forte, according to Mansion Global. Maven’s own project page also lists the house as Forte. The buyer was not named.
The pricing path
According to Mansion Global, the house came to market in December at $60 million, and the price was reduced several times. Listing records show a first list price of $59.9 million on December 17, 2025. Citing The Real Deal, Mansion Global reported that the house was asking $47.5 million when it went into contract. The reported sale price of $48.5 million is above that last asking figure.
The setting
San Marco Island is one of the Venetian Islands, the chain of residential islands along the Venetian Causeway between the Miami mainland and Miami Beach. The previous record that Mansion Global cites, a $46 million sale at 55 East San Marino Drive, was reported by The Real Deal in July 2025 as the highest price paid for a home on the islands at the time. For more on the area, see our Venetian Islands neighborhood guideand our Miami Beach guide.
Haute Residence has not checked the price against a recorded deed in Miami-Dade County records. We will update this story if public records show a different figure.
FAQs
How much did the San Marco Island spec mansion sell for?
According to Mansion Global, the newly completed spec mansion on San Marco Island sold for $48.5 million, a new price record for the Venetian Islands. Miami MLS listing records show the sale at 1413 North Venetian Way closing on October 7, 2026. The previous record was a $46 million sale in 2025.
What are the features of the house?
Mansion Global reported that the two-story house covers 10,689 square feet, making it the largest home on San Marco Island. It has seven bedrooms, 103 feet of water frontage, a deep-water dock and boat lift, a 70-foot pool and a subterranean garage for 10 cars. The sellers named the house Forte.
How did the asking price change before the sale?
According to Mansion Global, the house came to market in December at $60 million and was reduced several times. Listing records show a $59.9 million first list price. Citing The Real Deal, Mansion Global reported it was asking $47.5 million at contract. The sellers bought the property in 2021 for $5.9 million.