36 C.F.R. § 13.1106

Pets are prohibited except—

(a) On the Bartlett Cove Public Use Dock;

(b) On the beach between the Bartlett Cove Public Use Dock and the National Park Service Administrative Dock;

(c) Within 100 feet of Bartlett Cove Developed Area park roads or parking areas unless otherwise posted;

(d) On a vessel on the water; or

(e) Within Glacier Bay National Preserve.