Membership Fees 2026/27
| Membership | Group I | Group II | Group III |
|---|---|---|---|
| Senior Member | €299 | €249 | €149 |
| Member | €249 | €199 | €99 |
| Early Career Member | €199 | €169 | €89 |
| PhD Student Member | €99 | €89 | €69 |
Group I
| Andorra Arabian Gulf Aruba Ascension Australia Austria The Bahamas Bahrain Barbados Belgium Bermuda British Virgin Islands Brunei Canada Cayman Islands Chile Congo (Democratic Republic Of) Congo (Republic Of) Croatia | Cyprus Denmark Estonia Falkland Islands Faroe Islands Finland France French Guyana Germany Gibraltar Greece Greenland Guam Guernsey Guyana Hong Kong Iceland Ireland Isle of Man | Israel Italy Japan Jersey Korea (Republic Of) Kosovo Kuwait Latvia Liechtenstein Lithuania Luxembourg Macao (SAR China) Malta Monaco Netherlands New Caledonia New Zealand Norway Oman | Panama Poland Portugal Qatar Romania San Marino Saudi Arabia Serbia Seychelles Singapore Spain St. Martin (France) Sweden Switzerland Taiwan United Arab Emirates United Kingdom United States Virgin Islands (U.S.) |
Group II
| American Samoa Angola Anguilla Antigua and Barbuda Argentina Azerbaijan Bangladesh Belarus Brazil Bulgaria Cambodia China Curaçao Czechia Eswatini | Fiji French Polynesia Ghana Guadeloupe Hungary India Indonesia Jordan Kenya Korea (Democratic People’s Republic Of) Libya Malaysia Maldives Martinique | Mauritania Mauritius Mexico Federated States of Micronesia Moldova Myanmar Nigeria Northern Mariana Islands Pakistan Palau Peru Philippines Puerto Rico Russia Senegal | Sint Maarten (Netherlands) Slovakia Slovenia South Africa Sri Lanka St. Kitts and Nevis Tanzania Thailand Timor-Leste Trinidad and Tobago Tunisia Turks and Caicos Islands Ukraine Vietnam Zimbabwe |
Group III
| Afghanistan Albania Algeria Armenia Belize Benin Bhutan Bolivia Bosnia and Herzegovina Botswana Burkina Faso Burundi Cabo Verde Cameroon Central African Republic Chad Cocos Islands Colombia Comoros Cook Islands Costa Rica Côte d’Ivoire Cuba Djibouti | Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Ethiopia Gabon The Gambia Georgia Grenada Guatemala Guinea Guinea-Bissau Haiti Honduras Iran Iraq Jamaica Kazakhstan Kiribati Kyrgyzstan Laos | Lebanon Lesotho Liberia Madagascar Malawi Mali Marshall Islands Mongolia Montenegro Morocco Mozambique Namibia Nauru Nepal Nicaragua Niger North Macedonia Papua New Guinea Paraguay Rwanda Samoa São Tomé and Príncipe Sierra Leone Solomon Islands | Somalia South Sudan St. Lucia St. Vincent and the Grenadines Sudan Suriname Syria Tajikistan Togo Tonga Türkiye Turkmenistan Tuvalu Uganda Uruguay Uzbekistan Vanuatu Venezuela Wallis and Futana West Bank and Gaza Yemen Zambia |
Need Extra Help?
Members who are currently on a career break, retired, unemployed, on maternity or paternity leave, or who have held IOS membership for over 10 years may be eligible for a reduced membership rate. The exact rate varies depending on the membership grade.
If you believe you may qualify or would like to discuss your circumstances and available options, please contact support@isocean.org
