Set within the prestigious, guard gated enclave of Monarch Bay, this stunning single level estate offers nearly 5,000 sq. ft. of refined coastal living on one of the communitys largest lots. Located on a tranquil cul de sac, the home welcomes you through an expansive gated courtyard into a sprawling retreat designed for both relaxation & entertaining. The lush grounds feature a covered patio w/skylights, an inviting outdoor fireplace & views of Three Arch Bays hills & evening lights. Beyond the grand custom entry door, the magnificent great room boasts soaring ceilings, stacked stone columns, & a floor to ceiling marble fireplace, with glimpses of the ocean. The spacious kitchen features stone countertops, an island, stainless steel appliances, an oversized walk in pantry, & a gracious nook. The expansive primary suite is a private sanctuary, complete with a cozy fireplace, a large walk in closet, & a French door leading to the serene rear yard. Its luxurious spa like bath showcases an oversized frameless glass shower, a clawfoot soaking tub & heated towel rack. A secondary primary suite offers elevated ceilings, a walk in closet, a remodeled marble accented bath, & a French door opening to the ocean facing backyard. Designed for versatility, the home also includes two additional bedrooms plus an oversized bonus room featuring an exotic wood ceiling, a stone fireplace, and French doors leading to the courtyard. The rear yard is a peaceful oasis w/mature treesincluding Japanese pine, grand magnolia, and oakcomplemented by custom stone benches, onyx lighting, a relaxing sauna & views. Additional highlights include exquisite 24 Celini Argento tile, luxuriously remodeled bathrooms, custom lighting, solid wood doors, spacious laundry room with/custom marble pet washing shower & a massive three car garage. A separate casita serves as a private office or gym, offering picturesque views of the front grounds & hillside beyond. Residents of Monarch Bay enjoy exclusive access to resort style amenities including tennis & pickleball courts, a community & dog park, a playground, and the spectacular private beach clubcomplete with an indoor outdoor bar, beachfront dining, firepits, & towel, chair, & umbrella service. Ideally located near hiking trails, world class golf & surfing, & premier coastal resorts like The Ritz Carlton, Waldorf Astoria & The Montage, this exceptional property is also set to benefit from the exciting Dana Point Harbor revitalization project.