The Boating Infrastructure Grant (BIG) Program provides cost-sharing awards to eligible agencies for the construction, renovation, and maintenance of boating infrastructure facilities for transient recreational vessels at least 26 feet long. The program aims to maintain, renovate, and construct new boating facilities and associated boater amenities for public use. Eligible activities may include boat slips, piers, mooring buoys, dinghy or courtesy docks, day docks, and gangways, as well as fuel stations, restrooms, showers, utilities, laundry facilities, and similar amenities.
• The maximum Federal portion of a Tier 1 award is $300,000.
• The recipient agency must provide at least 25 percent of the total project cost in non-federal cost sharing or match.
• The program is available to governor-designated agencies of the 50 states, the District of Columbia, and the Territories of Guam, American Samoa, and the U.S. Virgin Islands.
• The application period is from August 28, 2025, to October 27, 2025.
• The Service will aim to notify applicants selected for an award by March or April 2026.