High-end interior design made easy — from full-home transformations to expert help in just one room.

Led by Miami-based designer Arianna Castro, Interiors by AC blends elegant, timeless design with luxury-level project management and service. Whether you’re furnishing a room or building your forever home, we’re here to guide every step.

Our Services

Perfect for one room, done 100% online.

Get a full custom design package with layout, moodboard, elevations, and a curated shopping list — all tailored to your space and style.

Ideal for bedrooms, nurseries, living rooms, and more.

Explore Virtual Room Design →

From concept to completion — we handle it all.

Space planning, design direction, sourcing, custom furniture, and full project oversight. Ideal for new builds, renovations, or full-home updates.

Exclusive for South Florida clients to ensure a smooth experience.

Explore Full Interior Design →

Discover Our Portfolio

  • Miami Master Bedroom

    Full Interior Design Service

  • Miami Master Bedroom II

    Miami Master Bedroom II

    Full Interior Design Service

  • Doral Estates Home Office

    Doral Estates Home Office

    Room Design Package with Custom Furniture

  • Doral Estates Home Office II

    Room Design Package with Custom Furniture

  • Coral Gables Residence

    Coral Gables Residence

    Full Interior Design Service

  • Coral Gables Residence

    Coral Gables Residence

    Full Interior Design Service

  • Doral Guest Bedroom

    Doral Guest Bedroom

    Room Design Package

  • Fort Lauderdale Powder Room

    Fort Lauderdale Powder Room

    Room Design Package with Custom Furniture

  • Doral Custom Entry Foyer

    Doral Custom Entry Foyer

    Room Design Package with Custom Furniture

  • Miami Baby Nursery

    Miami Baby Nursery

    Room Design Package

Testimonials

  • In just one call, Arianna brought so much clarity. She immediately understood the space, offered smart suggestions, and helped me see the potential I couldn’t quite see or put into words.

    Sharon B - Online Design Consultation

  • We weren’t expecting to be this impressed. The presentation, the selections, the way everything came together it looks like something out of a magazine

    Maria Q - Room Design Package

  • Having Arianna manage our renovation was the best decision we made. Her designs were elegant and cohesive— and she made the entire process feel smooth and simple for us.

    Fernando F - Full Design Package

Get in touch with us

Ready to bring your vision to life? Share your project details with us—or just fill out the our contact form and we’ll get back to you shortly.

You can also reach out at:
Email info@interiorsbyac.com
WhatsApp Chat with us
Phone or Text +1(786) 535 5186
We speak English & Spanish