Oman informed the International Maritime Organization that it rejects imposing transit fees on vessels passing through the Strait of Hormuz, a stance that diverges sharply from Iran's push to charge freighters for navigation rights. The sultanate's position was conveyed during recent discussions at the UN shipping agency, where Tehran has lobbied for a toll mechanism that would generate revenue from the roughly 20% of global oil flowing through the narrow waterway each day.

The disagreement underscores a deepening fracture between the two Gulf neighbors. Iran, which controls the strait's northern shore, has argued that fees would fund security and environmental protection. Oman, which shares the southern coast and has historically maintained neutral diplomatic channels with both Tehran and Washington, views the proposal as a threat to the principle of innocent passage under the UN Convention on the Law of the Sea.

For shipping markets, the dispute injects fresh uncertainty into cost structures for tankers and container vessels serving Asia-Europe routes. Any Iranian attempt to enforce unilateral fees would likely trigger insurance surcharges, rerouting costs, and potential confrontations with naval patrols from the US Fifth Fleet based in Bahrain. Major charterers are already modeling scenarios where transit expenses rise 5-10% if Tehran proceeds without international consensus.

The episode reveals how Oman leverages its geographic position to preserve a rules-based maritime order that keeps energy affordable — and why investors should treat Hormuz transit risk as a structural, not cyclical, variable in freight rate forecasts.