top of page

Marine Surveyor St Joseph Benton Harbor MI

Professional marine surveying services in St. Joseph and Benton Harbor, Michigan for boat buyers, owners, insurers, lenders, brokers and marinas throughout Southwest Michigan and Lake Michigan.

Marine surveyor inspecting a boat in St Joseph and Benton Harbor Michigan

Great River Marine Surveying provides professional marine surveying and vessel inspection services in St. Joseph, Benton Harbor and throughout Southwest Michigan's Lake Michigan boating market.

We assist boat buyers, vessel owners, insurance companies, lenders, brokers, marinas and other marine clients with independent vessel inspections and professional written marine survey reports.

The St. Joseph and Benton Harbor area is an important Southwest Michigan boating market with access to Lake Michigan and the St. Joseph River. Our Chicago-area operation serves vessels throughout the southern Lake Michigan region, including boats located at marinas, boatyards, dealerships, private docks and seasonal storage facilities.

Marine Surveying Services in St. Joseph & Benton Harbor

Great River Marine Surveying provides a comprehensive range of marine surveying and vessel inspection services.

Services include:

  • Pre-Purchase Marine Surveys

  • Insurance Surveys

  • Condition & Value Surveys

  • Boat & Yacht Appraisals

  • Damage Surveys

  • Financing Surveys

  • Powerboat Surveys

  • Sailboat Surveys

  • Mechanical & Systems Inspections

  • Engine Compression Testing when applicable

  • Oil Analysis when requested

  • Thermal Imaging when applicable

  • Borescope Inspections when applicable

  • Commercial & Specialty Vessel Surveys

We inspect many types of vessels, including powerboats, sailboats, fishing boats, center consoles, cruisers, express cruisers, motor yachts, pontoons, tritoons and specialty craft.

Pre-Purchase Boat Surveys in St. Joseph & Benton Harbor

Purchasing a used boat can represent a significant investment.

A professional pre-purchase marine survey in St. Joseph or Benton Harbor provides an independent evaluation of the vessel before the buyer completes the transaction.

Depending upon the vessel and agreed scope, the inspection may include accessible portions of the:

  • Hull and structural components

  • Deck and superstructure

  • Stringers and bulkheads

  • Transom

  • Propulsion machinery

  • Engine compartment

  • Electrical systems

  • Fuel systems

  • Plumbing systems

  • Steering systems

  • Navigation equipment

  • Safety equipment

  • Interior accommodations

  • Ground tackle

  • Through-hulls and seacocks

  • Propellers and running gear

  • Rudders or outdrives

  • Other installed machinery and equipment

When appropriate and available, a comprehensive pre-purchase survey may also include a haul-out and sea trial.

Following the inspection, the client receives a professional written report documenting observed conditions, findings and applicable recommendations.

Powerboat Surveys

Great River Marine Surveying provides professional powerboat surveys throughout St. Joseph, Benton Harbor and Southwest Michigan.

We survey many types of power-driven vessels, including:

  • Center consoles

  • Fishing boats

  • Cabin cruisers

  • Express cruisers

  • Sportfishing vessels

  • Motor yachts

  • Pontoons

  • Tritoons

  • Other recreational powerboats

Depending upon the requested scope, the survey may include propulsion machinery, electrical systems, fuel systems, steering equipment, navigation electronics, safety equipment and accessible structural components.

Sailboat Surveys

We also provide professional sailboat surveys throughout the St. Joseph and Benton Harbor sailing market.

Depending upon the vessel and requested scope, a sailboat survey may include evaluation of accessible:

  • Hull and structural components

  • Deck and cabin structure

  • Standing rigging

  • Running rigging

  • Mast and boom components

  • Chainplates and deck fittings

  • Auxiliary propulsion machinery

  • Electrical systems

  • Plumbing systems

  • Navigation equipment

  • Safety equipment

  • Sailing-related equipment

Additional sail and rigging inspection services may be available when appropriate.

Insurance & Condition and Value Surveys

Boat owners may require a marine survey when:

  • Obtaining new insurance coverage

  • Renewing an existing policy

  • Changing insurance companies

  • Financing or refinancing a vessel

  • Satisfying marina requirements

  • Documenting vessel condition and value

Our insurance and condition & value surveys document the vessel's observed condition, equipment and estimated value as applicable to the requested assignment.

Reports may be prepared for vessel owners, insurance companies, lenders and other interested parties.

Boat & Yacht Appraisals

Great River Marine Surveying provides professional vessel valuation and appraisal services throughout Southwest Michigan.

A boat or yacht appraisal may be requested for:

  • Financing

  • Insurance

  • Estate planning

  • Probate

  • Divorce

  • Legal proceedings

  • Vessel donations

  • Partnership matters

  • Private transactions

  • Fair market value determinations

The appraisal process may consider the vessel's age, equipment, observed condition, comparable vessels and current market factors.

Damage & Insurance Claim Surveys

Great River Marine Surveying also provides independent vessel damage inspections.

Damage surveys may be required following:

  • Collisions

  • Groundings

  • Storm damage

  • Docking incidents

  • Machinery failures

  • Transportation damage

  • Water intrusion

  • Other marine casualties

Our surveyors can document observable damage, photograph affected areas and prepare a professional written report describing conditions observed during the inspection.

Hull & Structural Inspection

Depending upon the vessel and survey scope, accessible hull and structural components may be evaluated for observable conditions such as:

  • Cracking

  • Moisture intrusion

  • Structural deterioration

  • Soft deck areas

  • Previous repairs

  • Impact damage

  • Corrosion

  • General deterioration

  • Other structural deficiencies

For vessels hauled out of the water, the surveyor may also inspect underwater components that cannot be adequately evaluated while submerged.

Engines & Machinery

Depending upon accessibility and requested scope, the survey may include visual and operational observations of:

  • Main engines

  • Engine mounts

  • Cooling systems

  • Exhaust systems

  • Fuel systems

  • Transmissions

  • Steering equipment

  • Generators

  • Battery and charging systems

  • Other installed machinery

Additional testing such as engine compression testing or laboratory oil analysis may also be requested when applicable.

Electrical Systems

Marine electrical systems are an important part of a comprehensive vessel survey.

Depending upon accessibility, the surveyor may review observable portions of:

  • Batteries

  • Battery switches

  • Electrical panels

  • Circuit protection

  • Wiring

  • Shore-power systems

  • Battery chargers

  • Inverters

  • Navigation lighting

  • Installed electrical equipment

Observable deficiencies can be documented in the final marine survey report.

Haul-Out Inspections

For a comprehensive pre-purchase survey, a haul-out is generally recommended when practical.

Removing the vessel from the water allows the surveyor to inspect areas including:

  • Hull bottom

  • Propellers

  • Shafts

  • Rudders

  • Outdrives

  • Trim tabs

  • Through-hulls

  • Anodes

  • Underwater damage

The marina or boatyard normally handles the physical haul-out while the marine surveyor performs the inspection.

Sea Trials

A sea trial can provide useful information regarding vessel operation.

Depending upon the vessel and requested scope, observations may include:

  • Engine operation

  • Operating temperatures

  • Steering

  • Controls

  • Gauges

  • Acceleration

  • Vibration

  • Maneuverability

  • Navigation equipment

  • Other operating systems

A sea trial does not replace a specialized engine inspection, but it can provide important additional information during a comprehensive pre-purchase survey.

Great Lakes Vessel Considerations

Vessels operating and stored in the Great Lakes environment may develop deficiencies associated with age, moisture, seasonal storage, winterization, previous repairs and deferred maintenance.

Common survey observations may involve:

  • Moisture intrusion

  • Soft deck areas

  • Corrosion

  • Electrical deficiencies

  • Aging hoses

  • Failed pumps

  • Fuel-system concerns

  • Previous repairs

  • Machinery issues

  • Safety-equipment deficiencies

  • Underwater damage

  • Deferred maintenance

A professional marine survey can help identify observable conditions before a buyer completes a vessel purchase.

Serving St. Joseph, Benton Harbor & Southwest Michigan

Great River Marine Surveying provides marine surveying services throughout the St. Joseph and Benton Harbor boating market and surrounding Southwest Michigan communities.

Survey assignments may be coordinated for vessels located in:

  • St. Joseph

  • Benton Harbor

  • St. Joseph River

  • Southern Lake Michigan

  • Southwest Michigan

  • Nearby marinas and boatyards

  • Brokerage facilities

  • Private docks

  • Seasonal storage facilities

Our broader Michigan service territory also includes New Buffalo, South Haven and other Southwest Michigan boating communities.

Professional Marine Survey Reports

Following the inspection, Great River Marine Surveying prepares a professional written marine survey report.

Depending upon the survey type and scope, the report may include:

  • Vessel identification

  • Equipment information

  • Photographic documentation

  • Hull and structural observations

  • Machinery observations

  • Electrical observations

  • Fuel-system observations

  • Safety-equipment findings

  • Observed deficiencies

  • Recommendations

  • Valuation information when applicable

Our objective is to provide buyers, owners, insurers and lenders with clear and useful information regarding the vessel's observed condition.

Schedule a Marine Survey in St. Joseph or Benton Harbor

If you need a marine surveyor in St. Joseph or Benton Harbor, Michigan, contact Great River Marine Surveying to discuss your vessel, its location and the type of survey required.

We provide pre-purchase boat surveys, powerboat surveys, sailboat surveys, insurance surveys, condition and value surveys, vessel appraisals, damage surveys and other marine inspection services throughout St. Joseph, Benton Harbor and Southwest Michigan.

Request a marine survey or free quote today.

Great River Marine Surveying Company


Phone: 1-877-921-2628


Email: surveyor@GreatRiverMarine.com

bottom of page