Mystic Seaport Museum is hosting Riverfest this weekend, when visitors can boat on the river, listen to live music, and sample some beer.

There will be whaleboat demonstrations, and fisherman will talk about oyster farming and sustainable fishing. Kids can take part in harvest-themed games and crafts.

Riverfest, 10 a.m.-5 p.m. Sat., 11 a.m.-7 p.m. Sun., and 10 a.m.-5 p.m. Mon., Mystic Seaport Museum, 75 Greenmanville Ave., Mystic; free to museum members, included in museum admission for non-members, which is $27 general admission, $25 ages 65 and up, $23 ages 13-17, $19 ages 4-12, and free for ages 3 and younger; mysticseaport.org.