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Koi pond with waterfall built by Scott Anderson Design on Long Island

Water Feature Pricing

Pricing Guide

Real starting prices for the water features we build on Long Island. Every price below is turnkey. Labor, stone, liner, pump and filtration are included.

Ponds with Waterfalls

Ecosystem Pond Pricing

Small Pond

Approx. 7' x 9', 18" deep

Ideal for the homeowner with a smaller back yard or a tight budget that is looking for something simple, yet beautiful, with very little maintenance. Our small pond measures in roughly at 7' x 9' and around 18 inches deep and includes a waterfall to recreate that natural ambiance you would only find in nature.

  • Aqua Surge 2000 Pump
  • Aquascape 2500 Biofalls and bioballs
  • Aquascape 400 Skimmer
  • Dual Check Valves
  • 2.5 Tons of Long Island Boulders and Moss Rock
  • 1 Ton of Decorative Gravel and River Rock
  • Aquascape Auto Dosing System

Starting at $9,000

Medium Pond

Approx. 10' x 14', 24" deep

Our medium size pond is perfect for the homeowner who may already have a pond and is looking to upgrade, or someone who has a larger yard and is interested in a pond where they can relax while feeding their fish. It measures in roughly at 10' x 14' at 24 inches deep and includes a waterfall.

  • Aquascape Biofalls 2500 with Bioballs
  • Aquascape 400 Skimmer
  • 2 Inch Flex PVC
  • Dual Check Valve
  • 5 Tons of Long Island Boulders and Moss Rock
  • 1.5 Tons of Decorative Gravel and River Rock

Starting at $17,500

Large Pond

Approx. 14' x 16', 30" deep

For the family that wants to live the aquascape lifestyle. Our large pond offers a wide variety of spaces: fish caves, feeding areas, shelves for hiding. It measures roughly 14' x 16' and 30 inches deep and has multiple shelves and layering.

  • Aquascape Signature 6000 Biofalls and Bioballs
  • Aquascape Signature 1000 Skimmer
  • Aquascape Aquasurge 4000-8000 Pump
  • Dual Check Valves
  • 2 Inch Flex PVC Piping
  • 6.5 Tons of Long Island Boulders and Moss Rock
  • 2.5 Tons of Decorative Gravel and River Rock

Starting at $25,000

Pondless Waterfalls

Pondless Waterfall Pricing

Patio Size

3' to 4' stream length

Perfect as a front yard feature, or in a tight space, the corner or side of a rear yard. This feature has a 2 foot waterfall that spills into a pondless vault. No standing water, making it ideal for families with young children or who are concerned about mosquito problems.

  • Approx. 3' to 4' Stream Length
  • Aquabasin 45 Storage Area
  • Waterfall Spillway
  • 10' x 10' Liner
  • Aquasurge 2000 Pump
  • 1.5 Tons Of Stones
  • .5 Ton Of Gravel

Starting at $6,000

Medium Size

10' to 12' stream length

Great for a larger yard. An ideal set piece for those who frequently entertain outdoors and are looking to add that touch of tranquility.

  • Approx. 10' to 12' Stream Length
  • 4 Large Aquablocks
  • Waterfall Spillway
  • 15' x 25' Liner
  • Aquasurge 2000-4000 Pump
  • 3 Tons of Long Island Boulders and Moss Rock
  • 1 Ton of Decorative Gravel

Starting at $10,000

Large Size

15' to 18' stream length

For the family that wants to live the aquascape lifestyle. An ideal set piece for those who frequently entertain outdoors and are looking to add that touch of tranquility.

  • Approx. 15' to 18' Stream Length
  • 8 Large Aquablocks
  • Waterfall Spillway
  • 15' x 35' Liner
  • Aquasurge 4000-8000 Pump
  • 6.5 Tons Of Long Island Boulders And Moss Rock
  • 3 Tons Of Gravel

Starting at $18,500

Fountain Urns

Stacked Slate Fountain Urns

Small Urn

Our Small Stacked Slate Urn is ideal for adding an impressive, natural-looking stacked slate fountain in any location. It provides the audible tranquility of moving water while being compact enough to work into any patio design.

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Medium Urn

Our Medium Stacked Slate Urn is ideal for adding an impressive, natural-looking stacked slate fountain in any location. It provides the audible tranquility of moving water while being compact enough to work into any backyard setting.

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Large Urn

Our Large Stacked Slate Urn is ideal for adding an impressive, natural-looking stacked slate fountain in any location. It provides the audible tranquility of moving water while standing out and becoming a great conversation piece for any outdoor party.

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Common Questions

Pricing FAQ

What does a pondless waterfall cost on Long Island?
A patio-size pondless waterfall starts at $6,000. Medium installations with a 10' to 12' stream length start at $10,000, and large installations at 15' to 18' start at $18,500. All prices include Long Island boulders, liner, pump, and basin, with no hidden materials costs.
How much does a koi pond installation cost in Nassau County?
Custom ecosystem koi ponds in Nassau County start at $9,000 for a small pond at 7' x 9' and go up to $25,000 and above for a large pond at 14' x 16'. The price depends on size, stonework, pump system, and additional features like streams or lighting.
Are there financing options available?
We understand that a custom water feature is a significant investment. Contact us to discuss your project budget and we'll work with you to find the right scope and payment approach for your situation.
What is included in the installation price?
All installations include labor, equipment, Long Island boulders and moss rock, liner, pump, filtration system, and gravel as specified. We provide a complete, turnkey installation. You do not need to source any materials separately.

Prices are starting points. Every property is different, and the final number depends on access, grade, existing conditions and the scope you choose. We give you a fixed quote after a site visit.

Start the conversation

Tell us about the yard.
We will tell you what is possible in it.

Every project starts the same way: Scott walks the property, listens, and sketches. No pressure, no template. Consultations across Nassau County are free.

Call (516) 729-5668Request a Site Visit