New registrations of powerboats and personal watercraft were up 10.5 percent year over year in the first quarter.
Nearly all categories that have significant volume posted quarterly gains.
On a rolling 12-month basis, corresponding units were up 8.7 percent, according to the National Marine Manufacturers Association.
Among high-volume regions, growth was led by the Southeast, which includes Alabama, Kentucky, Mississippi and Tennessee. The region was up 11.6 percent on a rolling 12-month, year-over-year basis.
Also outperforming the overall market was the South Atlantic region, which spans the Atlantic Coast from Delaware to Florida. That region was up 9.2 percent on a rolling 12-month, year-over-year basis.