Best Wood for Decks Near the Ocean
If you live along Rhode Island’s coast, you know how tough salt air, humidity, and harsh winters can be on outdoor wood. Choosing the right material for your deck makes all the difference between something that weathers beautifully and something that warps, cracks, or needs replacement far too soon.
At Toensing Construction, we’ve built decks across Newport County and the East Bay, and we’ve seen firsthand which woods stand up best to seaside conditions — and which don’t.
1. Ipe — The Gold Standard for Coastal Decks
Ipe (pronounced “ee-pay”) is one of the hardest, most durable decking materials available. It naturally resists moisture, rot, and insects, making it an ideal choice for homes near the ocean.
Pros: Incredibly dense, long-lasting (up to 40+ years), low maintenance
Cons: Heavier to work with and more expensive than pressure-treated lumber
Best for: High-end decks where longevity and a refined appearance matter
2. Mahogany — Classic Look, Great Stability
Genuine mahogany offers rich color and natural oils that repel moisture and insects. It performs well in Rhode Island’s coastal climate when properly sealed and maintained.
Pros: Stable, beautiful grain, resists swelling
Cons: Requires yearly sealing or oiling to maintain color
Best for: Homeowners who love a timeless, natural wood aesthetic
3. Cedar — Naturally Resistant, Lightweight, and Warm
Western Red Cedar is a popular choice for its natural resistance to rot and its warm, coastal look. While it’s softer than hardwoods like Ipe or Mahogany, it performs well if maintained regularly.
Pros: Easy to work with, renewable, resists insects
Cons: Can fade or splinter faster in salty air if not sealed
Best for: Decks and railings where you want a natural, lightweight feel
4. Pressure-Treated Wood — Budget-Friendly and Functional
Pressure-treated pine is the most common decking material used in Rhode Island. When properly installed and maintained, it can still hold up near the coast — though not as long as premium hardwoods.
Pros: Cost-effective, easy to replace or repair
Cons: Prone to warping and cracking in extreme coastal exposure
Best for: Secondary decks, cottages, or projects with shorter lifespans
5. Composite Decking — Durable Alternative to Wood
Although not a wood species, composite materials (like Trex or TimberTech) deserve a mention. They’re engineered to resist salt, moisture, fading, and splintering — making them an increasingly popular choice for oceanfront decks.
Pros: Low maintenance, color options, long warranties
Cons: Higher upfront cost, synthetic look (though newer lines mimic wood well)
Best for: Homeowners who prefer long-term durability with minimal upkeep
Protecting Your Coastal Deck
No matter which material you choose, deck longevity depends on care. We recommend:
Sealing or oiling wood decks annually
Using stainless steel fasteners to prevent corrosion
Ensuring proper ventilation and drainage beneath the deck
Cleaning regularly to remove salt and debris
When built with the right materials and craftsmanship, a deck near the ocean can last for decades while enhancing your home’s value and outdoor living space.
Let’s Build a Deck That Lasts
At Toensing Construction, we specialize in custom coastal decks built to withstand Rhode Island’s seaside environment — from design and framing to material selection and finishing. Whether you prefer the warmth of mahogany or the durability of composite, we’ll help you choose what fits your style, budget, and location best.
📍 Serving Newport, Bristol, Barrington, Portsmouth, Middletown, and surrounding coastal Rhode Island towns.
📞 Contact us today to start planning your ocean-ready deck.
