Water Sense
Water is Tulum's most vital resource, and in our view its presence should be both protected and celebrated. Our developments are conceived with a profound understanding of water's role in sustaining life and the functions of the space.
Impact-driven, raw construction
Organic designfor all day living
We design and build in Tulum with the logic of the mycelium: decentralized, efficient, and deeply connected to its environment.
Developing different
Our non-negotiables
Environmental Footprint
Today, true luxury means treading lightly. We design with nature, not over it — minimizing impact through careful land integration, the use of endemic materials, and sourcing from local craftspeople and builders.
Energy Efficiency
Every place we build has different climate challenges and opportunities. Our design adapts to local conditions, leveraging natural ventilation, passive cooling and shade to bring energy consumption down.
Coexisting with nature
+50% of the natural jungle protected in our projects
We design with restraint and respect, allowing nature to lead the way
Beyond preservation, we foster regeneration: creating microhabitats that continue to serve as shelter for birds, local fauna and the native species vital to the balance of the region.
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Our projects
Judge by our work
What we do
From the first sketch to the last detail
01
Concept, Architecture and Design
From initial sketch to spatial storytelling, we grow ideas organically — informed by place, purpose and potential. Each concept is developed in dialogue with the local ecosystem, the realities of the market and the vision of the client.
02
Raw Construction and Development
Building in a living ecosystem demands responsibility. We construct with precision and humility, collaborating with trusted local and international partners to bring complex visions to life without compromising the delicate balance of our surroundings.
03
Design and Refinement
Whether residential, commercial or investment-focused, our interiors merge timeless elegance with Tulum's natural language, adapting gracefully to the personality of each owner and the demands of an evolving market.
Sustainability is in our core
Developing ahead
Our development is both intuitive and strategic. Blending the principles of biomimicry with bold architectural vision and global real estate forecasts, we create spaces that not only look and feel exceptional, but exist in true harmony with their natural surroundings.
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Design and Conceptualization
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Construction Stage Services
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Architecture and Engineering
Our team
A Tulum-based team with international scope
We are a Tulum-based team with international scope and a clear reading of the real estate market.
Alex Dumas
Executive Director & Constructor
Patricio Herrera
Finance and Administration
Arq. Milagros Visalot
Lead Architect
Ing. Enrique Gutierrez
Construction Supervisor & QA
Emiliano N.
Construction Manager
Journal
What's new at Mycelium
Work-in-progress reports, notes from the studio, and how we think about building inside a living ecosystem.
Architecture
The Bio-Dome & The Oculus
Humans are not designed to live in rigid boxes. Nature speaks in curves. At Nek Ha we started with the ceiling — and turned it into the first thing you see when you wake up.
Read story
Artificial Intelligence
Our approach to AI in architecture and design
AI did not just accelerate our production — it redefined how we think, design and build. Here is how prompting became a design language, and why we stopped over-investing in renders.
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Work in Progress
Nek Ha · Work in progress — December 2025
The Bio-Dome for Villa 1 is complete, foundations are finished across all twelve villas, and Villa 2 has its first floor.
Read storyTestimonials
What our investors say about building wealth with us
When I learned about the project's background and purpose, I saw a builder whose skill was grounded in real values — that's why I felt confident making a secure investment.
Tom Kane
Investor in Nek Ha
I find Nek Ha truly unique compared to anything else on the market. I was looking for a comfortable home in a well-planned community — with the peace of mind that water is being properly managed, infrastructure is on the way, and all the essentials you'd want in a home in Tulum are thoughtfully considered.
G. Dumas
Investor in Nek Ha
Investor enquiry
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