Custom Home Builder on St. Armands
An address everyone knows, built to a standard few reach

St. Armands Key is one of the most recognized addresses on the Gulf Coast. It is also where Trinity built the Half Light House, named 2024 Best in Show among the region’s custom homes: open books, a model that runs months ahead of the jobsite, and a builder on your site every day.

An address that sets its own standard

St. Armands Key is one of the most recognized addresses in the market: the Circle’s shopping and dining, the bayfront and Gulf-adjacent lots, the short walk to Lido Beach, the steady current of people who already know exactly where they are. A home here is seen. It earns a level of design and execution that matches the address, and it sits among neighbors who notice the difference.

That is the work Trinity does before the work: the home modeled and coordinated long before ground breaks, the budget laid out in the open, and a builder on site to hold the standard a landmark island expects.

Two homes that define the standard

Half Light House, the most awarded home Trinity has built

Architect: DSDG. Interior design: Trinity Design.

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Half Light House is Trinity’s most decorated home, an 8,900-square-foot residence built on St. Armands with architect DSDG and Trinity Design. It was named Best in Show at the 2024 Aurora Awards, the top honor across every custom home entered, along with the Grand Aurora for Best Custom Home of 5,000 to 10,000 square feet and a Silver for Best Kitchen Design. In 2025 it was named an SRQ Home of the Year. A home that wins Best in Show is not the product of one great idea. It is the product of thousands of decisions made correctly, modeled and coordinated ahead of the field, and held to a designer’s eye every day of the build.

Bay Perfection, a home that turns to meet the water

Architect: MHK Architects. Interior design: Trinity Design.

Trinity Custom Homes luxury home at twilight on Florida's Gulf Coast

On North Washington Drive, Bay Perfection is a coastal-contemporary home Trinity built with MHK Architects and Trinity Design. The home is angled to follow the line of Sarasota Bay, so the main rooms open square to the water rather than to the street, a small geometric decision that changes how the whole house lives. It is the kind of move that only works when the design is protected through construction, which is exactly what Trinity is built to do.

How Trinity builds on St. Armands

A landmark island leaves no room for surprises. Trinity budgets in the open, so you see where every dollar sits at every point in the build. The home is modeled months before the jobsite moves, so conflicts are solved on the screen, not in the field. And a Trinity builder is on your site every day, holding the standard that an address like St. Armands, and the designers who work here, both demand.

It is the same approach that earned Best in Show at Half Light House and, more tellingly, the clients who become our next clients.

The architects and designers we build alongside

The best St. Armands homes come from talented architects and designers working with a builder who protects the design. On this island Trinity has built alongside DSDG and MHK Architects, with interiors by Trinity Design. We bring construction expertise that improves execution, durability, and performance, and we treat a design partner’s work as if it were our own.

Recognition

Trinity’s work is recognized by the region’s architects and at the national level:

  • Builder of the Year, 2025 AIA Gulf Coast Chapter
  • Best in Show, 2024 SEBC Aurora Awards
  • Eleven honors at the 2024 SEBC Aurora Awards
  • Gold and two Silver Awards, 2025 NAHB Best in American Living Awards, International Builders’ Show
  • Home of the Year, SRQ Magazine (Platinum)
  • Gold, Best Local Home Builder, 2025 Best of SRQ

Questions buyers on St. Armands ask

Does Trinity build on St. Armands?
Yes. Trinity builds custom homes and high-value renovations on St. Armands, the award-winning homes featured above were built right here.

How much does it cost to build a custom home on St. Armands?
It depends on the site, the size, and the level of finish, which is exactly why Trinity budgets in the open from the first conversation, so you see where every dollar sits at every point in the build.

How long does a custom home take to build?
Most Trinity custom homes run on a multi-year arc from design through completion, with the home modeled and coordinated months before ground breaks so the schedule holds.

Will you work with our architect?
Yes. Trinity builds alongside your architect and interior designer, protecting the design intent while bringing construction expertise that improves execution, durability, and performance.

Planning a home on St. Armands?

Let’s talk before the first drawing. The earliest conversations are where the best homes are won. Building on neighboring Lido Key? See our work there.