5 Waterfront Cape Cod Estates in Osterville and Hyannis Port

On a residential street in Osterville, this elegant coastal residence channels the area’s relaxed sophistication with a focus on comfort and enduring appeal. Light-filled interiors set an easy rhythm for daily life, while thoughtful design keeps the atmosphere polished yet unforced. The layout emphasizes a seamless connection between indoor and outdoor spaces, creating a natural flow for quiet mornings, casual gatherings, and open-air moments woven into the day. Equal parts inviting and refined, the home reads as a retreat without feeling removed—an environment shaped by simple, well-considered choices rather than excess. It’s a place where style feels lived-in, where the indoors and out are meant to be enjoyed together, and where the pace of Osterville can be felt in the most ordinary moments.

Commanding views over Nantucket Sound set the tone for this stately eight-bedroom residence in storied Hyannis Port. Set on an elevated three-quarter-acre parcel framed by manicured gardens and sweeping lawns, it’s anchored by a broad covered porch that defines the village’s summer rhythm. Inside, beautifully updated living spaces complement traditional architecture: a light-filled kitchen with premium appliances, stone counters, and a casual dining area opens to the patio and gardens, while expansive entertaining rooms include a grand living room and formal dining room, each with a fireplace, water views, and doors to the porch. Upstairs, the primary suite offers breathtaking water views and an elegant ensuite bath, with additional ensuite bedrooms for guests. A third-floor retreat leads to a widow’s walk with 360-degree sea-and-sky vistas. A three-car garage with a two-bedroom guest house above rounds out the compound, within the Hyannis Port Civic Association with access to a private club, beach, and community amenities.

Along the water’s edge in Osterville, a discreet treasure unfolds within one of Cape Cod’s most prestigious enclaves. Set on 1.78 acres, this exceptional waterfront property pairs a beautiful 5-bedroom residence with a level of privacy that feels rare on the Cape. The setting is defined by its substantial deep-water dock, thoughtfully sized to accommodate 6-plus vessels—an invitation to keep boating woven into everyday life, from early-morning departures to easy returns at dusk. With acreage that allows the home to sit comfortably within its surroundings, the experience here is quiet, contained, and undeniably connected to the water. Days can begin on the dock and end with the simple pleasure of coming home to a residence designed for unhurried coastal living.

Along the water’s edge in Oyster Harbors, the private gated golf community in Osterville, this five-bedroom residence pairs European estate character with an open floor plan and wide water vistas. A spacious foyer leads to an extraordinary great room, where a vaulted ceiling rises above walls of windows, dramatic columns, and a custom fireplace. Nearby, a light-filled dining room overlooks the water through custom arched windows, flowing into a chef’s kitchen finished with a coffered ceiling, granite countertops, and a large center island, with access to a waterside patio. The first-floor primary suite is complemented by four additional bedrooms, including a full suite over the garage. Set on a private 1.65-acre parcel, outdoor seating areas look out to gardens, an in-ground pool, and a deep-water dock—an easy rhythm for hosting and lingering by the shoreline.

Along the water’s edge in Osterville, this custom-designed estate is set on a beautifully landscaped 2.4-acre lot with sweeping views of the Eel River and Nantucket Sound. Inside, more than 8,000 square feet unfolds with rich detail and modern comforts, beginning in a grand foyer that leads to a great room anchored by a two-story custom fireplace and framed by panoramic water vistas and sunsets. The floor plan includes a library, formal dining room, gourmet kitchen with center island, custom cabinetry, and top-of-the-line appliances, plus a state-of-the-art home theatre. Six ensuite bedrooms feature a first-floor suite with French doors to the back yard and a primary suite with a luxurious bath, two walk-in closets, and a private deck. Outdoors: an inground pool, hot tub, pool house, and private deep-water dock—built for long, golden evenings by the sea.