Rock Island Inn & Suites Marshalltown offers clean and nice rooms, with some appearing newly renovated. The beds are comfortable and bathrooms are updated. The front desk staff is often described as very helpful, courteous, and nice, with fast check-in. The hotel features a huge, heated pool and a very large breakfast area. The continental breakfast is excellent, delicious, and very complete with many choices, though some guests noted hot dishes were occasionally empty. The property has several nice, upscale touches and a good desk area for working. Safety and walkability are good. Some minor issues were mentioned, such as slow-closing doors and occasional unfriendly staff. Overall, it provides a good stay for travelers.