You work hard to have the best, so let the professional team at H2O Marine Group take care of all of your boat service, storage, and marine needs so you an relax and enjoy your time on the water.
Locally owned and operated by long-term Lake Country residents, H2O Marine Group is Lake Country's premier watercraft services and storage provider. We have focused on building our team with service-oriented, professional individuals with a passion for providing outstanding service at an affordable price.

Proud Supporter of
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Fishing for Good Foundation
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Nagawicka Lake Independence Day Fireworks
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Milwaukee Chapter of Muskies, Inc.
Quality Service

Boat Storage
Protect your boat from the elements and keep it in great condition year round

Onsite /Engine Service
H2O Marine offers a wide variety of onsite marine services for our customers

Boat Customization Equipment and technology upgrades installed by our skilled staff mechanic

Cleaning & Detailing
Choose from our extensive list of cleaning services to meet your needs

Used Boats
Servicing hundreds of clients, H2O can often connect customers with boats for sale
Service & Storage
2023 Summer Storage
BOAT: Indoor Storage With Access
- $200/month or $550/season (May 1 – August 31)
- Free in/out access during M-F business hours (9:00am – 4:00pm)
- After hours pick-up or drop-off is an additional $25 fee per appointment
- Must notify office 24 hours prior to schedule after hours access
BOAT: Outdoor Storage With Access
- $100/month or $350/season (May 1 – August 31)
- Free in/out access during M-F business hours (9:00am – 4:00pm)
- After hours pick-up or drop-off is an additional $25 fee per appointment
- Must notify office 24 hours prior to schedule after hours access
AUTO/RV: Indoor Storage With Access
- $200/month or $550/season (May 1 – August 31)
- Free in/out access during M-F business hours (9:00am – 4:00pm)
- After hours pick-up or drop-off is an additional $25 fee per appointment
- Must notify office 24 hours prior to schedule after hours access
AUTO/RV: Outdoor Storage With Access
- $100/month or $350/season (May 1 – August 31)
- Free in/out access during M-F business hours (9:00am – 4:00pm)
- After hours pick-up or drop-off is an additional $25 fee per appointment
- Must notify office 24 hours prior to schedule after hours access
- Sm/Med Trailer – Outside: $200
- Large Trailer – Outside: $250
- Trailers – Indoors: $350
Single – $250
Dual place trailer – $300
Four place snowmobile trailer – $400
2023 Winter Storage
- $1500 – $1750 per season
- Does not include winterization
- $37/ft. per season
- $45/ft. per season – Double Decker
- Storage Only: $565
- Shrink Wrap: $18.50/ft
- Shrink and Outdoor Storage: $17/ft plus $250
PWC – WaveRunners and Jet Skis
- Single PWC: $300
- Double PWC: $500
- Sm/Med Trailer – Outside: $200
- Large Trailer – Outside: $250
- Trailers – Indoors: $350
- $50 – Winter battery removal, charge tender, and spring reinstall
2023 Spring & Summer Services
- Delivery to Lift/Dock : $185
- Meet at Launch for Delivery: $150
- Delivery to Driveway: $150
- Lift cover installation or removal: $150
- Mesh drop curtain installation or removal: $100
- $105 (plus fuel charge of current price plus $1.75/ gallon, high octane, treated fuel)
- Service Includes: Battery charge and check, Engine check/run up to temp, Water pump clear and operating, Drain plug(s) installed, Boat fuel up with treated gas
*Fuel up service is upon customer request, otherwise H2O will not fuel the tank prior to delivery
- Engine service is performed onsite at the H2O Marine Group facility
- Dockside service calls are available: $150/service call
- See Marine Cleaning/Detailing package details and prices listed in section below.
2023 Boat Winterization
WINTERIZATION & OIL CHANGE SERVICES
2 Stroke Winterization & Maintenance: $250
Stern Drives (I/O) – 4 Cylinder Winterization & Maintenance: $480
Stern Drives (I/O) – V6/V8 Winterization & Maintenance: $520
Winterize Ballast Tanks: Add $100
Winterize Heater: Add $100
Winterize Fresh Water System: Add $100
Stern Drives (I/O) – 4 Cylinder Winterization & Maintenance: $290
Stern Drives (I/O) – V6/V8 Winterization & Maintenance: $330
Inboard: $400
PWC: $225
OIL CHANGES
Standard Oil & Filter Change Only – Outboard: $165
Standard Oil & Filter Change Only -Stern Drive (I/O) & Surf Boats: $190
Standard Oil & Filter Change Only – Verado: $235
Lower Unit Oil Change Only: $100
Onsite Engine Service

Home or Dockside
Service Call: $150
- Engine Tune-ups
- Wave Runner Service
- Complete mechanical services/repairs
- Troubleshooting and maintenance
- Winterizations/Summer Run-ups
- Oil Changes
- Impeller/Water Pump Service
- Electrical System Service
- Lower Unit Service
- Propeller Service
- Carburetor Service
- Fuel system Service
- Steering System Service
- Welding Service
Boat Customization
Upgrade your watercraft to fit your growing needs – whether it’s the latest in sonar equipment for your fishing boat or enhanced speakers for your pontoon, H2O Marine Group can make it happen with our access to the leading electronics and equipment brands and our skilled staff mechanic. Contact Jake to discuss your specific needs and available options.
- Major fishing electronics at competitive prices
- Installation of equipment and electronics
- Trolling motors sales and installation
- Custom wiring, mounting, and networking
- Individualized installations and retrofits
- Gauges, trim tabs, shallow water anchors, and spot lock
- Lithium-ion battery and charger sales
- Complete mechanical services, repairs, and maintenance

Authorized dealer for GARMIN & FUSION and represent other leading brands such as:









Boat Cleaning/Detailing
Keep Your Watercraft Sharp!
H2O Marine provides the finest watercraft detailing services to meet your individual needs. Contact Jake with any questions or to schedule your services.
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Marine Gold Package $18/ft
- Hand wash
- All exposed surfaced cleaned (no compartment cleaning) including: seats, dash, floors (no carpet extraction), windows, and tower
- Brightwork cleaning
- Trailer Wipe down
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Marine Premium Package $27/ft
- Hand wash
- Machine polishing wax (no oxidation removal)
- Full interior detail (including compartments) - seats, dash, floors (no carpet extraction), windows, tower, compartments
- Trailer wipe down
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Marine Ultimate Package $38/ft
- Hand wash
- Two-step paint correction (oxidative removal, no wet sanding)
- Machine polishing wax
- Full interior detail (including compartments) - seats, dash, floors (includes carpet extraction), windows, tower, compartments
- Boat covers washed
- Trailer wipe down
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Exterior Only $28/ft
- Hand wash
- Two step paint correction (oxidation removal, no wet sanding)
- Machine polishing wax
- Trailer wipe-down
- Courtesy interior cleaning of any mess from exterior work
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Marine Acid Wash $19/ft
- Full exterior body acid wash
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Marine Cermaic Coating Custom Quote
- Coating will last up to 7 years with a 5 year warranty against oxidation
- No waxing needed for lifetime of the coating
- Ceramic coating chemically bonds to gelcoat, while wax only sits on top of the gelcoat
- Ceramic coating is hydrophobic (slick). A ceramic coated boat will stay cleaner longer and make maintenance practically effortless
- All ceramic coating packages include coating of the bottom of the boat, keeping the hull white and protected from staining, blistering, and growth
- Ceramic coatings are comparable to a microscopic layer of unbreakable glass
- Decreases drag, increasing speed and gas mileage

Pier & Lifts
Looking for a new or used pier or boat lift? H2O Marine can assist with all of your needs. We represent several quality pier and lift products suitable for every budget and lake property. If you are in need of a custom pier or boat lift, our service team can make it happen.
Used Boats
Due to our wide customer base, H2O Marine Group is often aware of local boats for sale. Feel free to contact us to learn about current market activity or any existing specific inventory. We are also able to assist with pre-sale preparation of your boat and can facilitate the entire sales process through our brokerage program.

Current Inventory
H2O Marine Group Reviews
Contact Us
General Manager: Jake Breeser
Call/Text: (414) 573-6991
Email: service@h2omarinegroup.com
Physical Address:
W360 N8515 Brown Street, Oconomowoc, WI 53066
Billing Address:
P.O. Box 238, Nashotah, WI 53058
2023-2024
Customer Service & Storage Agreement
Please read the agreement linked below and then sign and return the last page by email or mail.
Customer Service & Storage Agreement_ 2023-2024
service@h2omarinegroup.com
H2O Marine Group, P.O.Box 238, Nashotah, WI 53058
Invoice & Customer Payment Policy
Customer agrees that for all storage and/or other service rendered by H2O Marine and invoiced to customer,
that payment is due upon customer receipt of the invoice.
Late Penalty
All invoices are due upon receipt. 15% per annum interest will be charged on any unpaid balance after 30 days.
H2O Marine Fee/Rate Change Policy
H2O Marine Storage and Service reserves the right to change or update its fee schedule for storage and services
at any time without notice. It is the sole responsibility of the customer to confirm with H2O Marine personnel the
anticipated standard or estimated service, sales, and/or storage fees prior to services being rendered.
Customer agrees to the H2O Invoice and Customer Payment Policy as provided herein.