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651 21st Avenue S
About This Property
Inside, a refined blend of traditional design and modern luxury creates a warm, welcoming atmosphere. With six spacious bedrooms-each with its own private ensuite-the home effortlessly balances everyday functionality with elevated style. A separate guest suite with its own entrance, kitchenette, and laundry facilities offers exceptional flexibility for visitors or extended family.
Soaring ceilings and thoughtfully curated architectural details define the interior, from the grand arched passages to the custom millwork and serene color palette. A dedicated meditation space and the home's northern rear orientation invite harmony and wellbeing, creating a peaceful retreat inspired by principles of balanced design.
The home also includes two half-baths, a pool bath, and an elevator for convenience. A handsome study with panoramic water views provides a perfect work-from-home setting, while a temperature-controlled wine room offers the ideal environment to store and showcase a curated collection.
Engineered for healthy living, the property is equipped with a state-of-the-art three-tank whole-house reverse osmosis system that delivers high-quality, purified water throughout. Lush landscaping, private terraces, and an outdoor setting reminiscent of a Mediterranean villa make this home feel like a world away-yet it's just moments from the beach, upscale shopping, and top-tier dining.
Whether you're searching for a luxurious year-round home or a remarkable seasonal getaway, this exceptional property offers the perfect combination of location, lifestyle, and long-term value in the heart of coastal Naples.
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What does this mean?
Based on our analysis, the cap rate of this property is 1.25%. A negative cap rate indicates that the property might not be feasible as an income-producing asset. The median cap rate for a near zip code 11238 is 4.23%.
How much can I actually make?
Actual monthly rental income may vary between $4,760 and $7,140 depending on unit-specific characteristics. You can change the amount using the slider to further explore.
How is cap rate calculated?
Cap Rate = Net Operating Income (NOI) / Property Asset Value.
When calculating the cap rate, we assume 100% occupancy. Leverage (mortgage) is not considered.
Cap Rate provided by RealtyHop and RentHop, learn more about cap rate here.
Price History
| Date / Event | Date | Event | Price |
|---|---|---|---|
| Aug 4, 2026 | Sold | ||
| Sold | |||
| Jun 26, 2026 | In contract | - | |
| In contract | |||
| May 15, 2026 | Price Decreased |
$7,950,000
↓ $545K
(6.4%) | |
| Price Decreased | |||
| Mar 4, 2026 | Price Decreased |
$8,495,000
↓ $1M
(14.2%) | |
| Price Decreased | |||
| Jul 24, 2025 | Listed by John R Wood Properties | $9,900,000 | |
| Listed by John R Wood Properties | |||
Property Highlights
Building Info
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Price/ft²
Listed On
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About Naples
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Phone: 425-283-2930
Address: 335 Madison Avenue, New York, NY 10017