Mahalo
Honolulu, HI

WAIKIKI BEACH SPECIAL IMPROVEMENT DISTRICT ASSOCIATION

EIN 47-4494508
Environment & Animal Welfare Parks, Trails & Green Spaces
Mission

The Waikīkī Beach Special Improvement District is dedicated to enhancing the quality of life in Waikīkī by ensuring coordinated management and long-term sustainability of Waikīkī Beach and the nearshore waters through public-private partnerships, planning, research and project implementation.

IRS-recognized 501(c)(3) public charity Contributions are tax-deductible

About WAIKIKI BEACH SPECIAL IMPROVEMENT DISTRICT ASSOCIATION

The Waikīkī Beach Special Improvement District Association (WBSIDA) is a private non‑profit formed under the Honolulu Special Improvement District ordinance to coordinate, fund and implement beach management, restoration and resilience work for Waikīkī Beach. WBSIDA operates as a public‑private partnership working with state and county agencies, the University of Hawaiʻi Sea Grant, local stakeholders and the Waikīkī Improvement Association to plan and carry out science‑based projects. In the last several years WBSIDA has led planning, permitting and funding activities for large beach maintenance and resilience efforts — including the programmatic Environmental Impact Statement for the Waikīkī Beach Improvement and Maintenance Program and site restoration pilots — to protect beach width, nearshore reefs and the visitor and local economy that depends on Waikīkī.

Notable achievements

Final Waikīkī Beach Improvements Programmatic EIS (2024)

WBSIDA led and coordinated the multi‑partner effort that resulted in a Final Programmatic Environmental Impact Statement for the Waikīkī Beach Improvement and Maintenance Program, establishing preferred approaches and enabling the next phase of design, permitting and construction for prioritized beach improvement projects.

Waikīkī Beach Maintenance Phase II (2021)

WBSIDA partnered with state agencies to complete a hydraulic dredging and beach nourishment project that placed roughly 20–21,000 cubic yards of marine sand on Waikīkī shoreline, restoring beach width (estimated 25–50 feet) and demonstrating a near‑term maintenance model for the district.

Secured Project Design Funding for Resilience Pilot (2025)

In partnership with local stakeholders, WBSIDA secured dedicated funding to support plans and design for the Waikīkī Resilience and Sea Level Rise Adaptation Project (Kawehewehe Beach Restoration Pilot), advancing site‑specific adaptation work to address shoreline recession and sea level rise.

At a glance

Total assets
$4.5M
Annual revenue
$1.4M
Tax status
501(c)(3)Public charity
EIN
47-4494508
Location
Honolulu, HI
Website
www.wbsida.org
On Mahalo since
May 2026

Financial figures from the IRS Business Master File, the IRS’s registry of tax-exempt organizations.

Recognition

IRS tax‑exempt nonprofit organization (designated as a 501(c)(3) entity) and established as the Waikīkī Beach Special Improvement District governance body.
Serves as a formal project partner with the State Department of Land and Natural Resources and the University of Hawaiʻi Sea Grant on technical studies, environmental review and beach management planning.
Profiled and listed in major nonprofit databases and local community reports as the primary private partner coordinating Waikīkī beach management, planning and fundraising.

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