10 Best Cast Iron Alcove Bathtubs 2026 in the United States

The Voltaire 60" X 30" Left-Hand Drain Alcove Bathtub with Apron is a rectangular, alcove-style bathtub designed for easy installation with its 3-sided built-in flange and left-hand drain. It has a sleek, white finish and a smooth tub floor that adds elegance to any bathroom. Made from fiberglass reinforced acrylic, it is lightweight at 86 pounds, making it easier to handle during installation compared to traditional cast-iron tubs.

This material might not offer the same durability and heat retention as cast iron, which could be a drawback for those who prefer longer, hotter baths. With a capacity of 76 gallons, it is spacious enough for a comfortable soak. The built-in apron adds to its streamlined look, but it means you can't customize the front panel.

Customer reviews are generally positive, with a rating of 4.4 out of 5 stars from 31 ratings, indicating satisfaction with the product. If you're seeking a modern, lightweight, and easy-to-install bathtub, the Voltaire could be an excellent choice, especially if you value convenience and style over the traditional heavy-duty feel of cast iron.

The KOHLER 847-96 Bellwether is a cast-iron alcove bathtub measuring 66 inches in length, 32 inches in width, and 17 inches in height, making it a good fit for standard bathroom alcoves. Weighing 400 pounds, it’s quite heavy, which means it’s very sturdy but may require professional help during installation. Its left-hand drain style and biscuit-colored finish offer a classic look that fits many bathroom decors. The cast iron material is excellent for heat retention, so your bathwater stays warm longer, enhancing comfort during soaking. Installation is simplified thanks to the tile flange, which also prevents water from leaking behind walls, a helpful feature for alcove setups.

The bathtub includes practical touches like wide ledges for holding bath items and a slip-resistant floor surface to keep you safe. The step-over threshold height of 16.5 inches is moderate, balancing ease of entry with deep soaking capacity. The relatively narrow width (32 inches) might feel a bit tight for larger users or those who prefer more spacious tubs. The style and features suit those looking for a durable soaking tub with a timeless design, while the weight and size mean it’s best for homes prepared for a heavier fixture and standard alcove space.

This model also comes with a lifetime limited warranty, adding peace of mind for long-term use.

The KINGSTON BRASS VTDE603122L is a contemporary alcove bathtub that measures 60 inches long and features a left-hand drain, making it a solid choice for those seeking a stylish and functional tub in their bathroom. Constructed from acrylic reinforced with fiberglass and resin, it offers a lightweight design at just 95 pounds, which can simplify installation. The bathtub has a water capacity of 58.2 gallons and a water depth of 14 inches to the overflow, providing ample space for a comfortable soak.

One of the major strengths of this product is its user-friendly installation process. The three-wall alcove design with a tile flange and integral tub apron makes it a practical option for homeowners looking to upgrade their bath without the need for extensive renovations. Additionally, the white finish and rectangular shape contribute to its modern aesthetic, making it appealing for various bathroom decor styles.

There are some drawbacks to consider. While the acrylic material is lighter and easier to handle compared to traditional cast-iron tubs, it may not retain heat as well as heavier materials, potentially leading to cooler bath water over time. Also, it’s worth noting that the drain kit is not included with the purchase, which means you'll need to budget for that separately.