With a little help from their friends, two Brooklyn creatives—she's a fashion designer; he runs an antiques company—exchanged vows at a sun-soaked seaside bash on the coast of Massachusetts

The DJ kept the crowd rocking with '50s and '60s tunes until 1 a.m., when the newlyweds and their fellow late-night revelers headed to the property's barn for the after-party. "We climbed up to the second floor and passed around wine and champagne," says Alison. "Everyone shared their favorite memories from the day—it was the perfect way to end the night."