Background
The Town of Longboat Key, Florida, is a 10.2‑mile barrier island known for its white‑sand beaches and calm waters. Like many coastal communities, the Town faces increasing risks from hurricanes, tropical storms, and chronic shoreline erosion that threaten public infrastructure, natural systems, and long‑term community resilience.
To address these challenges, the Town has implemented a proactive beach management strategy focused on protecting its shoreline, preserving coastal ecosystems, and reducing vulnerability to storm impacts. This strategy emphasizes long‑term planning, adaptive management, and targeted investments in beach nourishment and shoreline stabilization.
Approach
Our team has served as the Town’s coastal engineering consultant since 2011, providing design, permitting, construction support, grant assistance, and long‑term shoreline monitoring. This ongoing partnership supports a comprehensive, data‑driven approach to coastal resilience and erosion management.
In 2021, we led the Longboat Key Beach Nourishment and North End Structural Stabilization Project. The effort placed more than one million cubic yards of sand along five shoreline segments and included construction of five low‑crested, permeable rock groins at Longboat Pass to address chronic erosion and improve sand retention.
In 2024, we collaborated with the Town on the New Pass Terminal Groin Rehabilitation Project to reduce ongoing sand losses and enhance the effectiveness of existing shoreline infrastructure. Following severe impacts from Hurricane Helene in September 2024, our team also supported a rapid‑response renourishment effort in the hardest‑hit areas and began developing long‑term recovery plans and alternative stabilization strategies for the most erosional zones.
In addition to project delivery, we continue to provide annual shoreline monitoring and analysis, enabling adaptive management and informed decision‑making as coastal conditions evolve.
Results
Through a combination of beach nourishment, structural stabilization, and ongoing monitoring, the Town of Longboat Key has strengthened its shoreline resilience and improved protection for critical infrastructure and natural resources. These efforts have increased the durability of nourished beaches, reduced erosion in vulnerable areas, and supported faster recovery following storm events.
Long‑term shoreline data and adaptive management strategies now guide future investments, helping the Town balance environmental stewardship with community needs. Together, these initiatives preserve the natural beauty of Longboat Key while enhancing the island’s resilience for future generations.
Markets: Waterfront and Marine
Services: Coastal and Waterfront Engineering and Dredging, Construction, Grant Funding Strategy Development, Regulatory Compliance and Permitting, Strategic Consulting and Planning
Related Projects
