Strength - Quality - Efficiency

Island Homes is a Premier ICF Home Builder and Remodeling Company.


Our Brands:

Who We Are

Island Homes was founded in July of 2013 Island Homes has been a leader in ICF home building and remodeling in Sanibel, Florida. The owner of the firm, Jonathan Tongyai, has 25 years experience in residential and commercial construction and is a graduate of the Building Construction Program at the University of Florida. The clients of Island Homes benefit from the Company’s geographic focus and its expertise in residential construction within the Sanibel, Florida community.

It is our mission… To deliver high-quality, cost-effective residential projects on budget by employing and supporting motivated, flexible, and focused teams. Our clients count on our dependability, our drive, and our integrity. We take great pride in our accomplishments and build on them every day.

New ICF Homes


Our attention to detail and level of quality in both design and construction sets us apart. We can bring this to reality in working with you to create that forever home of which you have been dreaming.
  • Personally supervise each and every home
  • Superior energy efficiency and Strength
  • Custom Home Construction – from permitting through construction
  • ICF Home Design – Design of ICF homes, mechanicals and living space
  • New Homes are Warranted for 2 years
Read More


We can answer your questions and give you an accurate estimate of the time and financial commitment of any type of renovation, addition, or special project.

Our design and construction services combine to make whole house renovation a seamless process to bring you a new home.

Our Team Combines talent and knowledge to help you design your kitchen, select materials and bring it to life.

We can help you evaluate the best way to add on to create your new space. There are cost differences between going up or out. Setbacks for your home may be restrictive in your neighborhood and dictate the best way of approaching your project. A variance is sometimes required for certain types of projects. Many factors play a role in decisions about additions and Island Homes can help you evaluate, navigate and guide you in this decision process..

Read More