Welcome to Seaside 3 Marina
Seaside 3 is a full-service marina in Lindenhurst, NY, designed with flexibility, functionality, and customer convenience in mind. Whether you're looking for seasonal dockage, winter storage, or year-round marine service options, we provide the space and support to meet your needs.
Marina Services
Our wide range of services ensures your boat is cared for year round:
- Summer Dockage
- Transient Day Slips
- Winter Storage
- Year-Round Storage Programs
- Dockside Electric
- Haul & Short Haul Services
- Shrink Wrapping (off-site only)
- Bottom Painting (off-site only)
- Bottom Pressure Washing
- Secure Facility with Gated Access
- On-Site Parking
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DIY & Vendor Friendly
We welcome all customers who prefer to do their own maintenance, as well as mobile marine service providers. Whether you’re a hands-on boat owner or a vendor looking for a professional space to work, Seaside 3 offers the access and flexibility you need.
Please Note: While we encourage self-service and outside vendors, bottom painting and shrink wrapping are not permitted to be performed on-site.
Space for Marine Vendors
Seaside 3 also offers workspace opportunities for marine businesses and independent vendors. If you’re a service provider looking for a reliable, accessible location, we invite you to inquire about utilizing space at Seaside 3.
Seaside 3 Marina
692 S. Wellwood Ave
Lindenhurst, NY 11757
Hours
Monday: Closed
Tuesday: 8:00AM - 4:00PM
Wednesday: 8:00AM - 4:00PM
Thursday: 8:00AM - 4:00PM
Friday: 8:00AM - 4:00PM
Saturday: 8:00AM - 4:00PM
Sunday: By Appointment Only