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Five Guest House Design Ideas for Your Home on the Coast

Architecture, Interiors, Lifestyle & Entertaining

Mar 12, 2025

emburtonfly,

Designing a guest house from scratch allows you to craft an inviting retreat that seamlessly integrates with your coastal surroundings. Whether perched on a waterfront bluff or nestled among dunes, the best guest houses balance privacy with connection—making your friends and family feel at ease, at home, and at peace. The five designs listed below reimagine the coastal guest experience by blending architectural elegance with effortless hospitality. We hope you find inspiration in these guest houses!

5 Guest House Design Ideas for Your Waterfront Home

A Cliffside Escape with Seamless Views

Designed by @purplecherryarchitects

Set at the edge of a dramatic waterfront cliff, this guest house achieves a perfect balance of seclusion and connection. Designed as a series of individual pods, each suite is linked to the main living space via glass walkways. This format allows guests to experience the landscape in its purest form. The architecture embraces a modern, airy aesthetic, where floor-to-ceiling windows erase the boundaries between indoors and out.

Why It Works

  • Thoughtfully positioned to maximize privacy and uninterrupted water views
  • Glass walkways enhance the sense of openness while maintaining separation between suites
  • Warm, natural materials create a refined yet inviting atmosphere
Inspiration for Your Home

If your coastal property boasts a stunning scenic overlook, consider positioning a guest house to take full advantage of the view. Separate suites with glass corridors or breezeways can provide privacy while maintaining an interconnected feel.

Best paired with…

A minimalist landscape design with native grasses and stone pathways enhances the organic flow between architecture and nature.

A Tranquil Poolside Retreat

Designed by @christinarottmandesigns

This guest house seamlessly extends the elegance of its interiors into the outdoors to create a serene escape that embodies California coastal living. The design embraces a refined yet relaxed atmosphere, where warm neutrals, natural textures, and soft linens cultivate a sense of effortless sophistication. French doors open to a lushly landscaped pool area. This blurs the line between indoor comfort and outdoor serenity—perfect for guests escaping to your estate!

Why It Works

  • A seamless indoor-outdoor flow enhances the sense of retreat
  • Neutral tones and organic materials create a timeless, inviting aesthetic
  • Carefully curated furnishings balance luxury with relaxed comfort
Inspiration for Your Home

Consider designing your guest house as a sanctuary that mirrors the tranquility of a private resort. Incorporate soft, muted color palettes, layered textiles, and handcrafted details to foster warmth and intimacy. Positioning the guest quarters with direct access to a pool or garden allows visitors to fully immerse themselves in the coastal experience.

Best paired with…

A thoughtfully landscaped pool area with Mediterranean-style plantings—think lavender, olive trees, and ornamental grasses—creates a sense of privacy while maintaining a breezy, effortless appeal.

A Vertical Coastal Retreat

Designed by @kligerman.ad | Interiors by @stevengambrel

Tall and elegantly proportioned, this guest house reimagines the concept of compact coastal living. Designed with a striking vertical layout, it maximizes natural light and airflow while maintaining a sense of openness within a smaller footprint. Expansive windows flood the central stair hall with sunlight, creating a luminous, airy environment that extends seamlessly from floor to floor.

Kligerman Architecture & Design is known for crafting exceptional beach houses and guest retreats across the East Coast and beyond, from the rugged shores of New England to the sun-drenched landscapes of Cabo. Their designs consistently balance traditional craftsmanship with contemporary coastal luxury.

Why It Works

  • A narrow, multi-story layout optimizes space without sacrificing comfort
  • Strategically placed windows enhance cross-ventilation and natural illumination
  • A warm palette of wood, textured plaster, and woven accents creates a timeless, organic aesthetic
Inspiration for Your Home

If space is limited, consider a guest house design that rises rather than sprawls. Thoughtful material choices—such as exposed wood beams and soft, neutral finishes—help maintain a sense of warmth and intimacy, while a well-placed stair hall can act as a light well, brightening even the most compact interiors.

Best paired with…

Furnish with classic coastal elements like linen-upholstered seating, artisan ceramics, and woven rattan details to blend a sense of history with effortless, modern sophistication.

A Wellness Retreat for the International Guest

Designed by @detuynkamer

A guest house designed for relaxation and rejuvenation can offer the ultimate hospitality experience for visitors arriving from across the globe. This wellness-focused retreat blends the comforts of a luxury spa with the privacy of a personal escape. Thatched roofing, natural wood beams, and indoor-outdoor living spaces evoke a serene countryside aesthetic, while a sauna, pool, and jacuzzi create a dedicated space for rest and recovery.

Why It Works

  • A fully integrated wellness experience, with a sauna, pool, and jacuzzi for ultimate relaxation
  • Thoughtful material choices—warm brick, rustic wood, and soft plaster—enhance the spa-like ambiance
  • A connection to nature through open-air lounging areas and lush landscaping
Inspiration for Your Home

If you regularly host international guests, consider incorporating spa-inspired elements into your guest house. A small infrared sauna, an outdoor soaking tub, or even a dedicated massage space can transform a simple guest stay into a restorative retreat. Thoughtful touches—such as plush robes, organic bath products, and herbal teas—enhance the experience.

Best paired with…

Surround the space with layered plantings for privacy and a sense of escape. Drought-resistant grasses, olive trees, and fragrant lavender contribute to a European-inspired sanctuary that is ideal for unwinding after a long journey.

A Cozy Guest House for Nieces, Nephews, and Friends with Young Kids

Designed by @redskyshepherdshuts

For homeowners who frequently host grandchildren, nieces, nephews, or friends with young children, a guest house that captures the whimsy of childhood while maintaining a refined aesthetic is a thoughtful addition. This beautifully crafted shepherd’s hut offers a cozy retreat with clever space-saving solutions—perfect for family stays. The raised sleeping nook provides a sense of adventure, while a cleverly hidden bottom bunk makes room for extra guests when needed.

Why It Works

  • Elevated sleeping space creates a fun, bunk-style experience for children
  • Clever under-bed storage maximizes functionality in a compact footprint
  • Soft, neutral tones and natural wood details maintain a sophisticated, timeless feel
Inspiration for Your Home

A guest house designed for younger visitors should be both practical and enchanting. Consider incorporating built-in bunk beds, cozy reading nooks, and ample storage for toys and travel essentials. A fold-down dining table or bench seating with hidden compartments ensures the space remains functional without feeling cluttered.

Best paired with…

Surround the space with a small garden, complete with a firepit or an outdoor play area, to make the experience even more magical. Provide cozy linens, warm lighting, and thoughtful touches like a stack of classic children’s books or a basket of board games for cozy nights in.

Final Thoughts: Happy Hosting!

Whether designing a secluded cliffside escape, a tranquil poolside retreat, or a wellness-inspired guest house, we hope that these ideas will help you create a welcoming and unforgettable space. Thoughtful architecture, seamless indoor-outdoor living, and curated details can transform a simple guest house into a sanctuary for friends, family, and visitors from around the world.

For more design inspiration, coastal lifestyle content, and expert tips on crafting the perfect home, subscribe to Ocean Modern Home. Stay ahead of the latest trends in architecture, interiors, and luxury coastal living—delivered straight to your inbox.

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