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