Located in the upscale San Patricio area of Guaynabo, this masterpiece of modern architecture was designed by award-winning architect Carlos Betancourt, epitomizing sophistication and exclusivity. Spanning 10,000 sqft of interior space and nestled on 1.2 acres of meticulously manicured grounds, this home features soaring vaulted ceilings, imported Italian flooring, and custom-designed interiors, including a bespoke kitchen and cabinetry. Expansive living spaces, an executive office, and an entertainment room seamlessly blend elegance and functionality. Inside, seven luxurious bedroom suites—including an opulent master sanctuary—, eight luxurious full bathrooms and two half bathrooms, provide unparalleled comfort, while Valcor high-impact windows and premium finishes enhance the home’s timeless beauty. The grand layout, enriched with exquisite craftsmanship, creates a refined ambiance for both daily living and entertaining. Beyond the interiors, the estate extends to a fully air-conditioned outdoor terrace, a heated pool with a gas-heated jacuzzi, and a professional-grade basketball/pickleball court, all designed for both relaxation and recreation. A hidden gem in an elite community, this estate embodies prestige, refinement, and architectural excellence. Beyond the home, San Patricio presents a vibrant lifestyle with proximity to the exclusive Mall of San Juan, San Patricio Plaza, and top-tier restaurants such as Bottles and Ruth’s Chris Steak House. Distinguished private schools, business hubs, and easy access to major highways make this an exceptional location for those seeking luxury, convenience, and a thriving community. Maintenance: $550/mo. Taxes: $5,410/yr.
For sale
$10,000,000
9 Castana St, Guaynabo, PR 00968
7beds
10,000sqft
Est.:
Single Family Residence
Built in 1997
1.2 Acres Lot
$-- Zestimate®
$1,000/sqft
$550/mo HOA
What's special
Custom-designed interiorsHeated poolSoaring vaulted ceilingsGas-heated jacuzziPremium finishesLuxurious bedroom suitesFully air-conditioned outdoor terrace
- 61 days
- on Zillow |
- 679 |
- 35 |
Zillow last checked: 7 hours ago
Listing updated: March 03, 2025 at 09:18am
Listing Provided by:
Aileen Beale 787-399-5541,
AILEEN BEALE REAL ESTATE 787-399-5541
Source: Stellar MLS,MLS#: PR9111890
Originating MLS: Puerto Rico


Travel times
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 7
- Bathrooms: 10
- Full bathrooms: 8
- 1/2 bathrooms: 2
Rooms
- Room types: Bonus Room, Den/Library/Office, Family Room, Great Room, Utility Room, Media Room, Storage Rooms
Primary bedroom
- Features: Walk-In Closet(s)
- Level: Second
Primary bathroom
- Level: Second
Dining room
- Level: First
Foyer
- Level: First
Kitchen
- Level: First
Living room
- Level: First
Office
- Level: First
Heating
- Natural Gas
Cooling
- Central Air, Ductless
Appliances
- Included: Oven, Dishwasher, Dryer, Gas Water Heater, Microwave, Range, Refrigerator, Washer
- Laundry: Laundry Closet
Features
- Eating Space In Kitchen, High Ceilings, Open Floorplan, Smart Home, Walk-In Closet(s)
- Flooring: Marble, Tile
- Doors: Outdoor Kitchen
- Windows: Shutters, Skylight(s), Hurricane Shutters
- Has fireplace: No
Interior area
- Total structure area: 12,000
- Total interior livable area: 10,000 sqft
Video & virtual tour
Property
Parking
- Total spaces: 8
- Parking features: Assigned, Covered, Deeded, Driveway, Reserved
- Attached garage spaces: 4
- Carport spaces: 4
- Covered spaces: 8
- Has uncovered spaces: Yes
Features
- Levels: Two
- Stories: 2
- Patio & porch: Covered, Front Porch, Patio, Porch, Side Porch
- Exterior features: Awning(s), Courtyard, Garden, Lighting, Outdoor Kitchen, Tennis Court(s)
- Has private pool: Yes
- Pool features: Above Ground, Deck, Heated, In Ground, Lighting, Tile
- Fencing: Fenced
- Has view: Yes
- View description: Garden, Pool, Tennis Court, Trees/Woods
Lot
- Size: 1.2 Acres
- Features: Landscaped, Level, Oversized Lot, Private, Sidewalk, Street Dead-End
- Residential vegetation: Fruit Trees, Trees/Landscaped
Details
- Additional structures: Outdoor Kitchen, Storage, Tennis Court(s)
- Parcel number: 06209522504001
- Zoning: RES
- Special conditions: None
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Contemporary,Custom,Patio
- Property subtype: Single Family Residence
Materials
- Concrete
- Foundation: Concrete Perimeter, Slab
- Roof: Concrete
Condition
- Completed
- New construction: No
- Year built: 1997
Utilities & green energy
- Sewer: None
- Water: None
- Utilities for property: Cable Available, Cable Connected, Electricity Available, Electricity Connected, Fiber Optics, Street Lights, Water Available, Water Connected
Community & HOA
Community
- Features: None, Sidewalks
- Subdivision: SAN PATRICIO
HOA
- Has HOA: Yes
- Amenities included: Gated, Maintenance, Security
- Services included: Common Area Taxes, Maintenance Grounds, Manager, Security
- HOA fee: $550 monthly
- HOA name: Residentes San Patricio
- Pet fee: $0 monthly
Location
- Region: Guaynabo
Financial & listing details
- Price per square foot: $1,000/sqft
- Annual tax amount: $5,410
- Date on market: 2/23/2025
- Listing terms: Cash,Conventional
- Ownership: Fee Simple
- Total actual rent: 0
- Electric utility on property: Yes
- Road surface type: Asphalt, Paved
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