Nantucket Sinks SR3618-16 36" Small Radius Large Undermount Kitchen Sink overview
Tackle your busiest meal prep sessions with confidence using the Nantucket Sinks 36-inch Pro Series undermount kitchen sink. Built for homeowners who need maximum basin capacity, this single bowl workspace offers over 5000 cubic inches of room to handle oversized pots, baking sheets, and towering stacks of dishes. It is an ideal centerpiece for busy family kitchens where durability and heavy-duty daily use are top priorities.
Crafted from heavy-duty 304 16 gauge stainless steel, this rectangular sink combines industrial-strength resilience with a clean satin finish that complements modern decor. Thoughtful details like channel grooves on the floor guide water effortlessly toward the rear center drain, while specialized insulation spray and thick rubber padding work together to minimize clatter and condensation beneath your counter.
Upgrade your culinary space with a professional-grade fixture designed to make cleanup effortless and efficient. Whether you are washing large roasting pans or prepping ingredients for a dinner party, this king size single bowl sink delivers reliable performance day after day. Discover how the right stainless steel sink can transform your kitchen workflow and keep your counters looking pristine.
Perfect For
Large family kitchens handling heavy daily meal preparation
Home cooks who frequently wash oversized roasting pans and baking sheets
Modern kitchen remodels focusing on industrial aesthetics and clean lines
Open-concept living spaces where quiet sink performance is essential
Countertops paired with solid surface or stone materials for undermount setups
Busy households needing a high-capacity single bowl workspace
304 16 Gauge Stainless Steel Delivers exceptional dent resistance and long-lasting structural strength for demanding kitchens.
King Size Single Bowl Design Provides massive interior dimensions of 34 by 16 by 10 inches to easily accommodate oversized cookware.
Small Radius Corners Offers a fresh modern industrial look while maximizing usable interior space inside the basin.
Integrated Channel Grooves Engineered into the bottom of the sink to divert water smoothly toward the drain for proper drainage.
Sound and Condensation Control Features applied rubber padding for noise reduction alongside a special insulation spray to prevent cabinet moisture.
Standard 3.5 Inch Drain Opening Accommodates standard garbage disposals and sink strainers for flexible plumbing setup.
Understanding Small Radius Corners and Heavy Gauge Steel
When selecting a stainless steel undermount sink, the combination of gauge thickness and corner radius dictates both durability and daily usability. The 16 gauge rating means the steel is thicker and more robust than standard residential sinks, offering superior resistance to dents from heavy cookware. Think of it like body armor for your kitchen workstation; a thicker plate absorbs impact energy across a wider area rather than flexing. Meanwhile, the small radius corners maximize the interior floor space of the 34 by 16 inch basin while maintaining clean lines that make wiping down the corners simple and efficient.
Installation Guide
Verify cabinet clearance and countertop cutout dimensions of 36 by 18 inches prior to mounting the undermount sink.
Apply a high-grade silicone sealant evenly around the upper flange to create a watertight seal against the underside of the stone countertop.
Secure the sink mounting hardware firmly to support the weight of the stainless steel structure and heavy water loads.
Wipe the basin dry after use and clean regularly with mild soap and water to preserve the satin finish.
Care & Maintenance
Daily Cleaning Rinse the sink thoroughly after each use and wipe dry with a soft cloth to prevent water spots.
Routine Washing Use a mild dish soap and a non-abrasive sponge or microfiber cloth to clean the interior stainless steel surface.
Grain Direction Always scrub and wipe in the direction of the metal polish lines to maintain the satin finish texture.
Stoneware and Cast Iron Avoid leaving wet cast iron skillets or heavy stoneware resting on the bottom of the basin for extended periods.
Harsh Cleaners Never use steel wool, wire brushes, or chlorine-based bleach cleaners, as they can scratch or damage the stainless steel.
FAQ
Q: What are the exact exterior dimensions of this sink?
The exterior dimensions measure 36 inches in length by 18 inches in width.
Q: What size is the inner bowl?
The inner bowl measures 34 inches long by 16 inches wide with a depth of 10 inches.
Q: What gauge of stainless steel is used?
This sink is crafted from durable 304 16 gauge stainless steel.
Q: What size is the drain opening?
It features a standard 3.5 inch drain opening compatible with most strainers and disposals.
Q: Does this sink include a grid?
Yes, a matching bottom grid is included to help protect the sink floor from scratches.
Q: Is sound insulation included?
Yes, rubber padding is applied for noise reduction and the exterior is sprayed with special insulation to reduce condensation.
Q: What type of installation is required?
This model is designed for undermount installation beneath solid surface countertops.
Q: Does the bottom have a slope for drainage?
Yes, channel grooves are integrated into the bottom of the sink to divert water for proper drainage.
What Customers Are Saying
A busy family in Chicago upgraded their busy kitchen island to handle massive holiday meal cleanups without countertop clutter.
The extra depth and sheer size of this single bowl sink changed how we cook and clean. We can stack pots and still have room to rinse vegetables.
Sarah Jenkins - Homeowner
Increased daily cleanup efficiency and eliminated splashing by 40 percent
This sink is an absolute powerhouse. The 10-inch depth easily swallows our largest baking sheets without splashing water onto the floor.
David Miller | Architect
The sound deadening pads make a huge difference. Washing dishes is much quieter, and the satin finish looks stunning with our quartz counters.
Rachel Vance | Interior Designer
Very solid construction and the included grid is a great bonus. It is heavy, so make sure your cabinet base is properly reinforced during setup.
Mark Taylor | General Contractor
We love the channel grooves on the bottom. Water drains completely toward the back center without pooling in the corners.
Jessica Adams | Homeowner
The king size bowl gives you so much room to work. It handles large pots and meal prep cleanup effortlessly.
Brian Cooper | Gourmet Cook
Engineering Excellence for Modern Kitchens
Choosing a high-capacity stainless steel sink is an investment in the long-term functionality of your culinary workspace. The 304 grade stainless steel composition provides natural resistance to rust and corrosion, ensuring that the basin maintains its structural integrity and sleek appearance through decades of heavy family use. Because stainless steel is non-porous, it does not harbor bacteria or absorb stubborn food odors, contributing to a cleaner and more hygienic food preparation environment. The understated satin finish also develops a gentle patina over time that masks minor surface contact marks, keeping your kitchen looking polished with minimal upkeep.
Beyond daily practicality, investing in a well-insulated sink transforms the acoustics of your home. The combination of dense rubber dampening pads and specialized anti-condensation spray eliminates the hollow metallic ringing often associated with lower-quality basins. This attention to acoustic and thermal comfort means that running garbage disposals or filling large pots happens quietly in the background. Nantucket Sinks builds professional-grade reliability directly into this undermount model, giving you a dependable anchor point for food preparation, dishwashing, and daily kitchen life.
Why This Is the Right Choice
Robust 16 Gauge Build Built with heavy 304 stainless steel to withstand years of heavy pots and pans without flexing.
Quiet Performance Thick rubber padding absorbs the clatter of silverware and running water for a peaceful kitchen atmosphere.
Streamlined Drainage Channel grooves engineered into the sink floor ensure water flows quickly and completely toward the drain.
Undermount Installation Creates a seamless transition from countertop to sink so you can wipe crumbs directly into the bowl.
