H.R. 3748 (119th)Bill Overview

MARITIME Act

International Affairs|International Affairs
Sponsor
Cosponsors
Support
Bipartisan
Introduced
Jun 5, 2025
Discussions
Bill Text
Current stageCommittee

Referred to the House Committee on Foreign Affairs.

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Plain-English summaryWhat this bill actually does

This bill (MARITIME Act) states U.S. policy that sea level rise should not cause loss of statehood or maritime zones for affected countries, encourages memorializing coastal baselines under the Law of the Sea, and directs the Secretary of State to submit a report within 120 days. The required report, delivered to House Foreign Affairs and Senate Foreign Relations, must review U.S. initiatives, assess bilateral and multilateral efforts, identify barriers, and list countries or organizations adopting such policies.

Why people may split

Liberals want stronger funded adaptation; conservatives see symbolic diplomacy

Watch point

Relative to its intended legislative type, this bill is a well-structured reporting requirement with clear purpose, a short deadline, and specifically enumerated report contents; it functions primarily as a vehicle to inform Congress about U.S. efforts to promote policies on sea level rise and maritime zones.

This bill (MARITIME Act) states U.S. policy that sea level rise should not cause loss of statehood or maritime zones for affected countries, encourages memorializing coastal baselines under the Law of the Sea, and directs the Secretary of State to submit a report within 120 days.

The required report, delivered to House Foreign Affairs and Senate Foreign Relations, must review U.S. initiatives, assess bilateral and multilateral efforts, identify barriers, and list countries or organizations adopting such policies.

The report is unclassified with an optional classified annex.

Passage50/100

Low-cost administrative bill with bipartisan appeal in substance, but climate framing and Senate procedure create uncertainty.

CredibilityPartially aligned

Relative to its intended legislative type, this bill is a well-structured reporting requirement with clear purpose, a short deadline, and specifically enumerated report contents; it functions primarily as a vehicle to inform Congress about U.S. efforts to promote policies on sea level rise and maritime zones.

Contention45/100

Liberals want stronger funded adaptation; conservatives see symbolic diplomacy

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
StatesStates

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • StatesHelps preserve island states' maritime zones and related exclusive resource rights crucial for food and revenue.
  • Potential benefitProvides diplomatic support and visibility for small island voices in international fora and negotiations.
  • Potential benefitEncourages formal baseline documentation, potentially reducing future maritime boundary uncertainty.
Likely burdened
  • StatesCould require additional diplomatic, legal, or financial commitments from the United States.
  • Potential burdenMay complicate or inflame maritime disputes by encouraging fixed baselines contrary to contested claims.
  • StatesImposes reporting and administrative burdens on the State Department and partner agencies.
03 · Why people split

Why the argument around this bill splits.

Liberals want stronger funded adaptation; conservatives see symbolic diplomacy
Progressive85%

Likely supportive of the bill's explicit protection of small island states and recognition of climate-driven sea level rise.

Views it as a useful diplomatic statement, but will press for stronger, funded adaptation and climate mitigation measures beyond a report.

Leans supportive
Centrist75%

Generally favorable as a measured, diplomatic step to protect allies' maritime rights; appreciates a time-bound, report-driven approach.

Will look for clear implementation plans, cost estimates, and realistic metrics before stronger backing.

Leans supportive
Conservative60%

Mixed support: agrees with protecting maritime rights and allies in the Indo-Pacific, but wary of endorsing UNCLOS language and any implicit legal or spending commitments.

Prefers clear limits on obligations and no new entitlements.

Split reaction
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood50/100

Low-cost administrative bill with bipartisan appeal in substance, but climate framing and Senate procedure create uncertainty.

Scope and complexity
24%
Scopenarrow
24%
Complexitylow
Why this could stall
  • Committee prioritization and whether it receives a markup
  • Whether climate language prompts partisan opposition in either chamber
05 · Recent votes

Recent votes on the bill.

No vote history yet

The bill has not accumulated any surfaced votes yet.

06 · Go deeper

Go deeper than the headline read.

Included on this page

Liberals want stronger funded adaptation; conservatives see symbolic diplomacy

Low-cost administrative bill with bipartisan appeal in substance, but climate framing and Senate procedure create uncertainty.

Unlocked analysis

Relative to its intended legislative type, this bill is a well-structured reporting requirement with clear purpose, a short deadline, and specifically enumerated report contents; it functions primarily as a vehicle to i…

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
Open full analysis