Registrations are up, the weather has been good — so far — and plenty of fish are hitting the scales at derby headquarters in Edgartown.

On Sunday morning the Oak Bluffs ferry wharf was filled as young anglers took to the pier for the annual Kids Derby, where fish are measured by length and then returned to the sea.

Coastal resources contribute roughly $1.5 million a year to the Oak Bluffs economy, according to a town-commissioned study unveiled last week.

More than 15 years ago, Fred B. Morgan Jr. drove out to Ocean Heights in Edgartown. What he saw helped set in motion the Island’s largest affordable housing development to date.

It began as a bicycle race. Forty years later Tivoli Day is the end-of-summer celebration of Oak Bluffs. There are no bike races any more, but there is just about everything else.