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Hidden behind private gates and spanning nearly 23 acres of extraordinary Southern California landscape, Alto Mar is a rare legacy estate where sophisticated coastal luxury meets the timeless romance of the American West. Encompassing two distinctive yet seamlessly connected private compounds, The Villa and The Ranch, this remarkable offering combines exceptional residences, resort-inspired amenities, established equestrian facilities, and expansive open land into one extraordinary world, just minutes from the coast. At the heart of The Villa stands an approximately 8,000-square-foot architectural residence, exquisitely reimagined in a $4 million renovation with interiors by designer Hayden Crosby. Soaring ceilings, exposed beams, white oak floors, exquisite marble, and bespoke finishes establish an atmosphere of understated sophistication. Designed around a magnificent central courtyard, the residence opens to a resort-style pool, outdoor entertaining areas, fire pits, and lush lawns. A theater, game room, wine room, and private office complement the four-bedroom main residence, while three additional residences, an open-air entertaining pavilion, sports field, and basketball court create an exceptional setting for gathering generations. Connected through a private gate, The Ranch introduces an entirely different yet beautifully complementary experience. Its approximately 3,100-square-foot, Montana-inspired residence blends refined Western character with modern luxury, framed by pastoral views and an inviting courtyard with a wood-burning stone fireplace. Established equestrian amenities include five horse stalls, a riding arena, tack room, training areas, and fenced grazing grounds. A secluded three-bedroom guest residence, beautifully transformed two-story entertaining barn with eight bunks, private gym and sauna, additional finished spaces, and extensive RV accommodations further enhance the property's remarkable versatility. Together, The Villa and The Ranch offer an unparalleled setting for multigenerational living, grand-scale entertaining, equestrian pursuits, and the freedom to create a truly personal legacy. With nearly 23 acres of privacy, natural beauty, and possibility, Alto Mar represents an increasingly rare opportunity to own an estate of extraordinary scale and character in coastal Southern California. Two distinct worlds. One extraordinary estate. For additional details, a site map, or private showings, visit https://altomarestate.com/.

Highlights

  • Residential
  • Single Family Residence
  • Built in 2007
  • 22.68 Acre Lot
  • $0/ HOA
  • 9 Car Garage
  • 1 day on Market

  • Bedrooms
    22
  • Bathrooms
    21
  • Year Built
    2007
  • Stories
    2.0
  • Garage Spaces
    9.0
  • Parking Features
    Driveway, Oversized, Garage, RV Garage, RV Access Parking, RV Hook Ups, RV Covered
  • Living Area
    23586.0
  • Interior Features
    Primary Suite, Walk In Closets, All Bedrooms Down, Walk In Pantry
  • Pool Features
    Private
  • Cooling
    Central Air

  • Acres
    22.68
  • Lot Features
    Landscaped, Greenbelt, Back Yard, Lawn, Yard
  • View
    Panoramic, Neighborhood, Mountains, Meadow, Hills, Trees Woods

  • Area
    92057 - Oceanside
  • County
    San Diego
  • City
    Oceanside
  • Zip Code
    92057

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Frequently Asked Questions

How do I schedule a tour of 475 Sleeping Indian Rd?

We can make that happen quickly. Click Tour This Home and we'll connect you directly with our vetted local partner to schedule your visit to 475 Sleeping Indian Rd.

They know residentials in the area well and can give you the guidance you need to buy with confidence.

How do I get more information about 475 Sleeping Indian Rd?

Click Ask a Question to talk with our team. You already know it is a 22 bed, 21 bath, listed for $20,000,000. We can talk through recent upgrades, potential seller motivation, how this single family residence compares to others in Oceanside, and can even get you in to see the property quickly.

How do I get a virtual tour of 475 Sleeping Indian Rd?

Yes! A virtual tour is available for 475 Sleeping Indian Rd. Click here to view the full walkthrough and explore every room at your own pace. If you would like a guided virtual showing or have questions along the way, we can connect you with our local expert to walk you through it live.

How much is the monthly mortgage payment for 475 Sleeping Indian Rd?

With a 20% down payment and a 30-year fixed loan at an illustrative 7.25% rate, the ez Mortgage Calculator estimates the monthly payment for 475 Sleeping Indian Rd at around $113,815. This includes estimated property taxes and insurance.

Want to see how this changes with different down payments or interest rates? Jump to the calculator to run the numbers and fine-tune your plan.

How do I get pre-approved to buy 475 Sleeping Indian Rd?

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Or, let us connect you with our preferred local lender in San Diego County. They will give you all of your available financing options, based on your specific situation and what is available to you.

Can I negotiate the asking price for 475 Sleeping Indian Rd?

In most cases, yes. Whether 475 Sleeping Indian Rd is priced competitively or not, your best offer depends on your personal situation, the seller's timeline, and recent activity in Oceanside's market. Our preferred local partner will help you craft a strategy—factoring in comparable properties that have sold, timing, and deal structure—to make a smart, strong offer. Click here to ask about negotiation opportunities.

How do I make an offer on 475 Sleeping Indian Rd?

We can handle that for you. Our preferred local agent specializes in residentials in Oceanside and can guide you through every step of the offer process.

You need an expert who is looking out for your best interests. From market valuation to contingencies and timing, they'll help you present a compelling offer that fits your goals. Click Ask a Question to get started today.

What is the price per square foot for this home?

This home is listed at $20,000,000 with 23,586 sqft of space—that comes out to approximately $848 per square foot.

How long has this property been on the market?

475 Sleeping Indian Rd was listed on November 09, 2026, which means it's been on the market for 1 days.

Want to keep tabs on it? Click the ♥ to favorite this home and get notified of price drops or changes.

When was this house built?

This home was built in 2007, making it approximately 19 years old.

What is the lot size of this property?

475 Sleeping Indian Rd sits on a 22.68-acre lot, which is 987,941 square feet.

Is there an HOA fee for this property, and what does it cover?

This home has an HOA fee of $0.

Is 475 Sleeping Indian Rd still available for sale?

Yes, this home is still available! Click the ♥ to favorite it so you don't miss any changes—or ask our local expert to schedule a time to see it in person.

Source: ez Home Search, MLS Data

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Based on information from California Regional Multiple Listing Service as of November 10, 2026 at 10:44PM All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. This information is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Last Updated: November 10, 2026 at 10:44PM | Source: California Regional Multiple Listing Service | MLS#: NDP2610181