Hollis Clark Bay Seaplane Base (IATA: HYL, FAA LID: HYL) is a state owned, public use seaplane base located one nautical mile (2 km) northeast of the central business district of Hollis, a community in the Prince of Wales-Hyder Census Area in the U.S. state of Alaska. It was formerly known as Hollis Seaplane Base.

As per Federal Aviation Administration records, the airport had 1,661 passenger boardings (enplanements) in calendar year 2008, 1,820 enplanements in 2009, and 1,965 in 2010. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility (the commercial service category requires at least 2,500 enplanements per year).