Scooby-Doo! and the Beach Beastie is available on HBO Max in the following countries:

Antigua & Barbuda

Argentina

Australia

Barbados

Bolivia

Brazil

Bahamas

Belize

Chile

Colombia

Costa Rica

Dominican Republic

Ecuador

Guatemala

Guyana

Hong Kong SAR China

Honduras

Indonesia

Jamaica

St. Lucia

Mexico

Malaysia

Nicaragua

Panama

Peru

Philippines

Paraguay

Singapore

El Salvador

Turks & Caicos Islands

Thailand

Trinidad & Tobago

Taiwan

Uruguay

Venezuela