Humboldt Bay Aquatic Center, located on the beautiful Eureka waterfront across from Woodley Island Marina, offers kayak, canoe, sailboat and standup paddleboard rentals, and private and group lessons, as well as guided tours around the bay with wildlife-watching in the Humboldt Bay National Wildlife Refuge, Eureka's waterfront, Woodley Island and Arcata Marsh. WHERE: Humboldt Bay Aquatic Center, 921 Waterfront Dr., Eureka MORE INFO: 707-443-4222, Humboldt.edu/hbac Humboats offers eco-tours of Humboldt Bay. Discover wildlife, watch bird migrations, and learn about the fascinating heritage of Humboldt Bay, its native Indian populations, the Eureka waterfront, and the Bay of today. Humboats is both ACA and BCU-certified with all lessons and tours provided by internationally experienced professional guides. Humboats also offers fishing, whale-watching, and river trips by kayak throughout Humboldt County. WHERE: 601 Startare Dr., Woodley Island MORE INFO: 707-443-5157, Humboats.com