Modular Sofa & Sectional

Discover modular furniture at CastleUp.ca, designed for flexible living, modern comfort, and everyday style. From modular sofas and sectionals to customizable seating layouts, our collection makes it easy to create a space that fits your home, lifestyle, and family needs. Choose from versatile designs, many colour options, and comfortable configurations perfect for condos, living rooms, basements, and open-concept spaces.

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  • Kwality Colton Mink fabric modular sectional with six pieces, featuring plush cushions and a modern design for versatile living room seating.
    Colton Mink 6 Pieces Fabric Modular Sectional
    $1,998.00
    $3,998.00
    $1,998.00
    The Colton Modular Sectional brings cozy comfort and flexible style to your living room. Upholstered in soft mink fabric with a plush ribbed texture, this 6-piece sectional can be arranged to suit ...
  • Ashbourne Estate 6-piece modular sectional sofa by Signature Design Ashley with beige fabric and multiple seating sections.
    Ashbourne Estate 6-Piece Modular Sectional
    $5,898.00
    $10,998.00
    $5,898.00
    Create a spacious and beautifully inviting living room with the Ashbourne Estate 5-Piece Modular Bouclé Sectional. Upholstered in plush bouclé fabric, this generously sized sectional delivers sink-...
  • Ashbourne Estate 5-piece modular sectional by Signature Design Ashley, showing plush beige fabric and contemporary design.
    Ashbourne Estate 5-Piece Modular Sectional
    $5,098.00
    $9,498.00
    $5,098.00
    Create a spacious and beautifully inviting living room with the Ashbourne Estate 5-Piece Modular Bouclé Sectional. Upholstered in plush bouclé fabric, this generously sized sectional delivers sink-...
  • Ashbourne Estate modular armless accent chair by Signature Design Ashley, shown as part of a sectional in a living room setting.
    Ashbourne Estate Modular Armless Chair
    $898.00
    $1,698.00
    $898.00
    Expand your seating with the Ashbourne Estate Modular Armless Chair. Upholstered in soft polyester fabric, this versatile piece is fully finished on all sides, allowing it to float freely in your l...
  • Ashbourne Estate 3-piece modular sofa by Signature Design Ashley featuring plush cushions and a contemporary gray fabric finish.
    Ashbourne Estate 3-Piece Modular Sofa
    $2,998.00
    $3,298.00
    $2,998.00
    Bring comfort, flexibility, and modern style into your living room with the Stonecroft Manor 3-Piece Modular Bouclé Sectional Sofa. Upholstered in plush bouclé fabric, this spacious sectional featu...
  • Signature Design by Ashley Ashbourne Estate 2-piece modular sofa showing plush fabric and modern design with multiple seating sections.
    Ashbourne Estate 2-Piece Modular Sofa
    $2,298.00
    $2,598.00
    $2,298.00
    reate a cozy and stylish living space with this beautifully modular 2-piece sectional sofa. Upholstered in soft plush bouclé fabric, it features sink-in-soft cushions wrapped in a feather-fiber ble...
  • Aslan Court 4-piece modular sofa sectional by Signature Design Ashley, showing plush cushions and contemporary corner seating.
    Aslan Court 4-Piece Modular Sofa Pit Sectional
    $3,498.00
    $5,898.00
    $3,498.00
    A customizable contemporary modular sofa pit sectional designed for spacious, flexible living room layouts. The modular pieces can be rearranged to suit family lounging, entertaining, or a room ref...
  • Aslan Court 6-piece modular sectional with chaise by Signature Design Ashley, showing plush fabric cushions and modern design.
    Aslan Court 6-Piece Modular Sectional with Chaise From $3,498.00
    A customizable, contemporary modular sectional with chaise designed for flexible comfort and easy room styling. The 6-piece layout can be rearranged to suit family lounging, entertaining, or a fres...
  • Aslan Court 5-piece modular sectional sofa by Signature Design by Ashley with plush cushions and modern design in a living room setting.
    Aslan Court 5-Piece Modular Sectional
    $3,498.00
    $5,898.00
    $3,498.00
    A customizable contemporary modular sectional designed for flexible, spacious living room layouts. The 5-piece configuration can be rearranged for family lounging, hosting, or a simple style refres...
  • Aslan Court 3-piece modular sectional sofa with chaise by Signature Design Ashley, showing plush cushions and modern design.
    Aslan Court 3-Piece Modular Sofa Sectional with Chaise From $2,498.00
    A customizable, contemporary modular sectional designed for flexible living. The pieces can be arranged or moved as needed, making it ideal for family lounging, entertaining guests, or refreshing y...
  • Three-piece modular sofa in neutral fabric with plush cushions, part of the Aslan Court collection by Signature Design by Ashley.
    Aslan Court 3-Piece Modular Sofa
    $2,798.00
    $4,998.00
    $2,798.00
    A customizable contemporary modular sofa sectional with chaise, designed for flexible living room layouts. The movable pieces can be rearranged to suit family lounging, hosting, or a quick room ref...
  • Aslan Court 2-piece modular loveseat by Signature Design Ashley, featuring plush cushions and modern fabric upholstery.
    Aslan Court 2-Piece Modular Loveseat
    $1,698.00
    $2,798.00
    $1,698.00
    A customizable modular loveseat sectional designed for flexible living spaces. Its neutral upholstery, finished sides, and movable modular pieces make it easy to rearrange for everyday lounging, fa...
  • Brassex Compression CloudEase armless lounge chair in a modern accent chair design, featuring plush cushions and sleek white upholstery.
    Compression CloudEase Modular Armless Lounge Chair
    $398.00
    $598.00
    $398.00
    Sink into modern comfort with this extra-wide modular lounge chair, designed for flexible living and everyday relaxation. Built with 30-density powderless sponge, pocket coils, PP foam, and support...
  • Light grey MAZ Pippa Collection 6-piece modular sectional sofa with multiple seating sections, modern design, and clean lines.
    Pippa Collection 6-Piece Modular Sectional in Light Grey
    $3,398.00
    $4,298.00
    $3,398.00
    The Pippa Collection is a modern, modular sectional designed for flexibility, comfort, and everyday convenience. Upholstered in soft light grey chenille, it features clean lines, customizable conf...
  • MAZ Haven 2-piece modular beige loveseat set, front view showing plush cushions and contemporary design.
    Haven 2-Piece Modular Loveseat In Beige
    $998.00
    $1,498.00
    $998.00
    The Haven Collection is a modern, cloud-inspired modular loveseat designed for relaxed comfort and versatile living. Its clean silhouette, soft ribbed upholstery, and neutral tones make it an easy ...
  • MAZ Haven beige 3-piece modular sofa set with plush cushions, shown from the front on a plain background.
    Haven 3-piece Modular Sofa In Beige
    $1,298.00
    $1,898.00
    $1,298.00
    The Haven Collection is a modern, cloud-inspired modular sofa designed for relaxed comfort and versatile living. Its clean silhouette, soft ribbed upholstery, and neutral tones make it an easy fit ...
  • MAZ Haven 4-piece modular sectional sofa with beige cushions and fabric upholstery, shown from a side angle.
    Haven 4-Piece Modular Sectional
    $1,798.00
    $2,598.00
    $1,798.00
    The Haven Collection is a modern, cloud-inspired modular sectional designed for relaxed comfort and versatile living. Its clean silhouette, soft ribbed upholstery, and neutral tones make it an easy...
  • MAZ Haven 5-piece modular sectional sofa with matching ottoman, beige fabric, and modern design, shown from side view.
    Haven 5-Piece Modular Sectional with Ottoman
    $1,798.00
    $2,798.00
    $1,798.00
    The Haven Collection is a modern, cloud-inspired modular sectional designed for relaxed comfort and versatile living. Its clean silhouette, soft ribbed upholstery, and neutral tones make it an easy...
  • MAZ Haven 6-piece sectional sofa with two ottomans, featuring beige upholstery and modern design, shown from the front.
    Haven 6-Piece Modular Sectional with Two Ottomans
    $2,098.00
    $3,198.00
    $2,098.00
    The Haven Collection is a modern, cloud-inspired modular sectional designed for relaxed comfort and versatile living. Its clean silhouette, soft ribbed upholstery, and neutral tones make it an easy...
  • MAZ Haven 6-piece modular sectional sofa with matching ottoman, featuring beige upholstery and adjustable cushions.
    Haven 6-Piece Modular Sectional with Ottoman
    $2,098.00
    $3,298.00
    $2,098.00
    The Haven Collection is a modern, cloud-inspired modular sectional designed for relaxed comfort and versatile living. Its clean silhouette, soft ribbed upholstery, and neutral tones make it an easy...
  • MAZ Haven 5-piece modular sectional sofa with matching ottoman, beige fabric, shown from side angle with no background.
    Haven 5-Piece Modular Sectional with Ottoman
    $1,898.00
    $2,898.00
    $1,898.00
    The Haven Collection is a modern, cloud-inspired modular sectional designed for relaxed comfort and versatile living. Its clean silhouette, soft ribbed upholstery, and neutral tones make it an easy...
  • MAZ Haven 4-Piece Modular Sectional Sofa with beige fabric cushions and black metal legs, shown from the front.
    Haven 4-Piece Modular Sectional
    $1,698.00
    $2,598.00
    $1,698.00
    The Haven Collection is a modern, cloud-inspired modular sectional designed for relaxed comfort and versatile living. Its clean silhouette, soft ribbed upholstery, and neutral tones make it an easy...
  • Taupe MAZ Tidal 5-piece modular sectional sofa with ottoman, showing the side view with modern design and plush upholstery.
    Tidal 5-Piece Modular Sectional with Ottoman Taupe
    $6,398.00
    $9,798.00
    $6,398.00
    Elevate your living room with this versatile 5-piece modular sectional, crafted for modern style and everyday functionality. Upholstered in premium taupe textured fabric with elegant tufting, this ...
  • Grey MAZ Tidal 5-piece modular sectional sofa with matching ottoman, shown from a side angle.
    Tidal 5-Piece Modular Sectional with Ottoman Grey
    $6,398.00
    $9,798.00
    $6,398.00
    Elevate your living room with this versatile 5-piece modular sectional, crafted for modern style and everyday functionality. Upholstered in premium grey textured fabric with elegant tufting, this s...

Showing 49 -72 of 100 items