Marc Shimatsu, ASLA


As Principal at PBR HAWAII, Mr. Shimatsu brings 27 years of experience in landscape and urban design, site planning, planting and irrigation design, construction detailing, and construction administration to his projects. With over 17 years of experience as Project Manager, he has been involved in a wide range of landscape architectural projects ranging from residential communities and commercial developments, to park, resort, industrial, institutional, and urban design. He is currently designing and managing landscape architectural projects such as the Sand Island Wastewater Treatment Plant, Statewide Stormwater Management Program and Best Management Practices with Hawai‘i State Department of Transportation, Kalewa Street Bioswale on O‘ahu, and the Hawai‘i State Veterans Cemetery.

Mr. Shimatsu mentors the landscape architectural team with involvement that stretches from the conceptual design phase through the construction phase. He reviews technical drawings for quality assurance and control, and provides valuable irrigation design and detailing expertise, most recently on the One Hotel Hanalei Bay project, the Kīhei Hotels project, and Thomas Square Park Master Plan and Renovation. He possesses extensive experience in low impact development strategies, streetscape design, and landscape design related to sustainable transportation planning and roadway improvements.

Passionate about protecting Hawai‘i’s outdoor and natural resources, he seeks to integrate the latest design practices surrounding sustainability into his work to ensure lasting success for future generations. Prior projects he has designed and managed include the University of Hawai‘i West Oʻahu campus, Kea‘ahala Road widening, Aloha Stadium Honolulu Rail Station, Kapolei Roadways, and improvements to the Castle Junction Hillside on O‘ahu; emergency improvements to Hāʻena State Park, Līhu‘e Gateway Beautification Master Plan, improvements to Hardy Street and Ahukini Street on Kaua‘i; and restoration to the Pa‘auʻau Stream Bridge and the University of Hawai‘i Hilo campus improvement projects on Hawai‘i Island.

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