431 Riverside Step behind the gates of 431 Riverside Ave and into a secluded front-yard oasis that redefines coastal luxury. The grounds are anchored by a majestic, 100-year-old pine tree, casting a sense of timelessness over a private sanctuary. Whether you're unwinding in the red light sauna, rinsing off in the outdoor shower, or enjoying the sparkling pool and spa, every inch of this space feels like a high-end resort. An outdoor fireplace with built-in seating serves as the ultimate focal point for evening gatherings. Inside, the home's architecture embraces a seamless indoor-outdoor lifestyle. Vaulted ceilings and elegant French doors create a bright, airy atmosphere that pulls the coastal breeze through the expansive entertaining spaces. At the heart of the home, the kitchen is a culinary dream, featuring abundant storage and a dedicated dry bar equipped with dual wine fridges. While the main level offers two bedrooms and two full bathrooms, the entire upper floor is reserved for a stunning primary suite which features a custom-designed closet and a spa-like five-piece bath. The private upstairs patio offers a quiet vantage point overlooking the pool and lush gardens below. This is more than a home; it's a masterfully curated Newport Beach escape.