Magnificent Ocean Colony estate nestled on a quiet cul-de-sac in Half Moon Bay's premier gated community. Situated on an oversized 15,246± sq. ft. lot backing to the 12th fairway of one of the Ritz-Carltons championship golf courses, this exceptional property blends architectural grandeur, sophistication, and comfort. Spanning over 5,000± sq. ft., the residence showcases 5 bedrooms, 5.5 bathrooms, a finished attic, and an array of high-end finishes and custom details. Designed for elegant entertaining and everyday living, the home features a gourmet kitchen, a light-filled solarium, and beautifully landscaped grounds. Adding versatility, the property includes a spacious ADU above the oversized 3-car garage, complete with a kitchen and full bathroom ideal for guests, extended family, or a private retreat. The garage also features high ceilings with room to accommodate an RV, along with a substantial workshop. Residents enjoy community amenities including a pool, tennis courts, and exercise facilities, with convenient access to the Ritz-Carlton and Highways 1 and 92 for Bay Area commutes. Experience coastal living with golf course views, generous living spaces, and the added flexibility of a private ADU in one of Half Moon Bay's most prestigious gated communities.