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Waterloo / Lost Island Waterpark KOA

Open All Year

Reserve: 800-562-2483

Info: 319-233-3485

Email This Campground

4550 Hess Rd

Waterloo, IA 50701

Get Directions

Camper Rating 4.5 out of 5

Based on 1000 Reviews

All Sites RV Sites Cabins Tent Sites Special

Campground Reviews

Jun 20, 2018

We had a great time. We will be back!!!!

Jun 20, 2018

Filthy bathroom. Water not really hot in shower. At 8 AM only one pot of coffee made. The other pots were empty or had cold coffee in them. Grass 10-12” high at my site. Way overpriced for all of that.

Jun 19, 2018

We brought our grandson to celebrate his birthday and we knocked it out of the park. He loved it! It was far beyond our expectations. I think it’s one of the nicest KOA’s we’ve been to. We will definitely be returning in the future.

Jun 19, 2018

My wife and I camped and we rented cabins our grown kids, their spouses, and the grandkids. Had a great time! Enjoyed the Fathers Day breakfast. Will be back.

Jun 19, 2018

Waterpark is amazing. Bring water shoes, the walking area around the Waterpark is blistering hot on a hot day. Campground has no tree coverage. The lake is a weird blue/green color, everyone was skeptical to swim in it.

Jun 19, 2018

The drainage for the black tanks were not very level and running up hill. Not convenient to drain hoses.

Jun 19, 2018

Grass needs mowed an weeded... showed up to spot an picnic table had garbage all over it

Jun 19, 2018

Great beach and lake. Staff super friendly and helpful.

Jun 19, 2018

We loved it! Great for families with different fun things to do! You have the largest water park in Iowa, mini golf, go karts, non-motorized water sport rentals, a large lake with beach for swimming and also fishing and a casino and regular golf nearby! Lots of extras not mentioned.

Jun 19, 2018

Great campground, only downsize is they are very feel grown shade trees.

Jun 19, 2018

Just stayed at the campground, owner was very friendly, staff was very friendly, place was clean clean clean, very satisfied

Jun 19, 2018

We brought our grandkids but playground very crowded. Might consider expanding it to where your doggie area is. Have camped there before and never seen it used.

Jun 19, 2018

Clean, plenty of space, great fishing!

Jun 18, 2018

Great campground. Well maintained with very level spots. Lots of things to do for our teenage kids. Even more for younger kids. Very friendly help. Been to a lot of places where they watch over you making sure you follow the “rules.” Here they are there if you need them, but allow you to enjoy your stay. Will def be back.

Jun 18, 2018

Very clean. Friendly staff we like the path around the lake. Great dog park

Jun 18, 2018

Incompetent! We made reservations 4 weeks ahead. When we arrived there was another camper in our site. We were there with two other families and were supposed to be together. They kept trying to move us to a different site and separate us. They finally admitted that camper on our site was supposed to be out two days earlier but they wouldn’t make them move. Employees in office unprofessional.

Jun 18, 2018

Had a great time! Campground and facilities were kept very clean. We will definitely be back!

Jun 18, 2018

Our first time at any KOA camprground, we loved it! Level spots, close to the beach, bike trails, fun fishing, spent a day at Lost Island Waterpark, our family loved our stay!

Jun 18, 2018

This was our first time at lost island we brought our 3 small grandchildren it was absolutely wonderful, our cabin was nice and clean perfect for our needs. We hope to make this an annual tradition.

Jun 17, 2018

We had a great time as always. Thank you so much.

Jun 17, 2018

Nice spot to stop — campsite was comfortable, plenty of room — great walking trail around the lake. John Deere Museum was interesting and very interactive! Easy access to town and shopping.

Jun 16, 2018

The staff was not really very friendly, both when we were checking in as well as later when making a purchase from the store. The cabin smelled as if someone had left feces in the toilet. Cleaning staff needs to be aware to run water down all drains the day guests are scheduled to arrive. It was quite disgusting and we almost left. Sharp staple ends are sticking out of the walls/frames.

Jun 16, 2018

There was a grounds keeper trimming dead branches off trees. Common sense thing to do would be to trim trees where there were no campers. Then as campers left trim the other trees. But, he trimmed trees directly around our site ALL DAY LONG!! Loud music all day from event at shelter near our site(92) was so loud couldn't hear our radio sitting right by the speaker! Music at right volume is good.

Jun 15, 2018

There was a lot of algae in the lake and a few dead fish on the edges which made it stink pretty bad getting in and out. Otherwise a great stay.

Jun 15, 2018

Very nice park, large lots, washed clothes there and facilities were excellent. Very close to numerous restaurants of all sorts, very convenient location with water park nearby, about 2 blocks away. Already planning a return trip this fall.

Jun 15, 2018

Just a on nighter to meet friends! Noise fro highway only issue!!!

Jun 15, 2018

It was just an overnight stay but we were very impressed with the spacing which was not to close and the walking areas you had for the dogs. Nice, neat campground.

Jun 13, 2018

The facilities at the Waterloo KOA were great with exception to the small lake. The water was just too unnatural for our tastes. However, the staff at the campground office/store were clearly unhappy to be there and didn't seem to be interested in helping the customers each time I was in there. It was pretty disappointing actually and reason enough for us not to recommend KOA Waterloo.

Jun 12, 2018

I'm pretty happy with this KOA. The only disappointment was when I went for a swim and the deepest part was about 3.5 ft.

Jun 12, 2018

Helpful staff, clean campground, fun activities.

Jun 12, 2018

Nice campground. The kids at the store could use some customer service training. There was more than 1 time but the 1 time I went there I needed change for the laundry and I tried the change machine and it wouldn't take my money so went to the store and asked if it was out of order because red light was on. Her response I have no idea I dont use it. I bought laundry soap and got quarters.

Jun 12, 2018

site 100 has power problems and cause damage to our power converter

Jun 12, 2018

We were only there 1 night. But the sites are large, bathrooms clean and the amenities are very nice. We received the long level site we requested.

Jun 11, 2018

Things really need mowed and trimmed around. Plenty of garbage by the water. We only had one sewer hose and our hookup was too far away from our camper so we couldn't use our sewer. When you pay for it you expect to use it.

Jun 11, 2018

Everything was great exept the the long grass and the weeds. Staff was awesome and very helpfull.

Jun 11, 2018

Great KOA with many things for families. Pet friendly, with a fenced in dog area. Large pond with a beach for swimming. A path around the entire pond, great for walking. Fishing is great. There are also kayak, paddle boat, etc rentals. Close to a water park, miniature golf, and go-kart track.

Jun 11, 2018

We really enjoyed it. We already recommended your KOA to some of our friends

Jun 10, 2018

Very nice clean park!

Jun 10, 2018

Loved it! Very clean and quiet! We’ll be back again.

Jun 09, 2018

First time campers. Had a great stay. Facilities were always clean. Staff was always friendly and helpful

Jun 08, 2018

Had a great overnight stay. The view from our site was spectacular. The store was well stocked and employees very friendly.

Jun 06, 2018

Cute cabins, great location, clean, quiet. Not sure housekeeping is detail oriented. 1st thing I noticed was smudge prints on door window and bottom of full length mirror. I KNOW I swept up things that weren't ours at end of stay. And girl that checked us in slammed her phone on counter in front of us, I felt bad for girl I think she was training. Overall beautiful grounds. Would stay again!

Jun 06, 2018

Very clean and everyone was very helpfull and friendly

Jun 06, 2018

We really enjoyed our stay. Nice spacious campsites. Worked out great for us as it was convenient location to go to the soccer tournament. Would like to camp there again to be able to enjoy the amenities more.

Jun 06, 2018

Jun 05, 2018