In celebration of Jimmy Buffett Day on Aug. 30, Margaritaville at Sea announced special onboard activities, honoring his legacy and commitment to the community and making a positive impact, according to a press release.

From August 28 to September 4, all bars on both ships will serve signature drinks in special commemorative cups, with $1 from each drink sold benefiting “Singing for Change.” The featured drinks include the Mango Sunset Margarita, Caribbean Sandbar, LandShark Lager, Michelob Ultra and Bud Light.

Exclusive commemorative merchandise will also be available in retail outlets on both ships, with a portion of the proceeds supporting “Singing for Change.”

On Jimmy Buffett Day (August 30) and over Labor Day Weekend, Margaritaville at Sea crew members will participate in a brand-wide “Day of Service” initiative, volunteering their time to support various local charitable organizations.

All Margaritaville communities, properties, resorts, restaurants, destinations, hotels and cruises will participate in a brand-wide Day of Service on Jimmy Buffett Day and over Labor Day Weekend.