Old Hickory Lake TN vs. Lake Murray SC

Why Buyers Compare These Two Lakes

Old Hickory Lake and Lake Murray are not geographically adjacent, but they attract the same buyer profile: someone relocating to the Southeast who wants a lakefront primary residence near a real city, with good schools or retirement infrastructure, serious boating, and a tax environment meaningfully better than wherever they are leaving. Both markets are in the $600,000–$1,500,000+ range for quality lakefront. Both have large active residential markets — Old Hickory is Tennessee's largest lake residential market, and Lake Murray is among South Carolina's top two. The comparison comes up constantly because the profile matches even though the lakes are six hours apart.

The decision usually comes down to two things: whether Tennessee's zero income tax is worth more to the buyer than South Carolina's lower property tax structure, and whether Nashville proximity or Columbia proximity better fits the buyer's life. Everything else — lake character, permit systems, community types — is secondary to those two questions. Let's work through each dimension with actual numbers.

At a Glance

Taxes: The Biggest Number Most Buyers Get Wrong

This is the dimension where buyers from high-income-tax states most often miscalculate. The headline comparison — Tennessee has no income tax, South Carolina taxes retirement income at graduated rates — is real and meaningful. But the property tax comparison runs the other direction just as strongly, and the two partially offset depending on the buyer's income profile.

On a $700,000 primary-residence lakefront home, annual property tax: Lexington County SC (dominant Murray county) at 0.09419 mills primary assessment: $700,000 × 4% = $28,000 × 0.09419 = approximately $2,635 county base per year. Add school bond and special purpose mills and the total typically runs $3,000–$3,800 in Lexington. Sumner County TN (Hendersonville) at combined $3.1707 per $100 on 25% assessment: $700,000 × 25% = $175,000 / 100 × $3.1707 = $5,549 per year. The Lake Murray Lexington County property tax is roughly $1,700–$2,500/year lower on a $700,000 home than Hendersonville's combined rate.

Now layer in income tax. A couple with $150,000 in combined income (wages or retirement) in Tennessee pays zero state income tax. The same couple in South Carolina pays SC income tax on income above the exemption thresholds. At $150,000 household income with $15,000 retirement exemption and standard deductions, SC income tax liability can run $3,000–$6,000/year depending on income composition. For active workers or retirees drawing significant 401(k) distributions, Tennessee's zero income tax erases the property tax disadvantage and then some. For retirees living primarily on Social Security (SC-exempt) and modest retirement distributions (SC-partially exempt), the income tax advantage shrinks considerably. The math is individual. Run it with your specific income before you decide it's obvious.

Dock Permits: Murray Wins This Round Clearly

Lake Murray's dock permit system, managed by Dominion Energy (formerly SCE&G), has one feature that Old Hickory's USACE system does not: permits transfer with the deed at closing. When you buy a Lake Murray lakefront property with a dock, the Dominion Energy permit transfers to you as the new owner. The permit is tied to the property, not the individual. You assume the existing permit and its compliance obligations. For a buyer, this eliminates the permitting uncertainty period after closing.

At Old Hickory Lake, dock permits are issued by the USACE Nashville District to individuals, not to properties. When a property sells, the new owner must notify the Corps and update the permit records — this does not happen automatically, and until the records are updated the permit technically remains in the prior owner's name. For most properties with clean permit histories, this is a straightforward administrative process. For properties with unpermitted modifications, lapsed permits, or shoreline compliance issues, it surfaces as a material due diligence complication. Additionally, the USACE is currently updating Old Hickory Lake's Shoreline Management Plan (public workshops January 2026), which introduces some uncertainty about future specifications for dock construction and shoreline use that does not exist at Lake Murray where the Dominion Energy SMP is currently stable.

Lake Character: Scale and Setting

Lake Murray is approximately twice the size of Old Hickory at 50,000 acres versus 22,500. Both are all-sports lakes with strong fishing. The character differences are real, though neither is objectively better — they appeal to different buyers. Lake Murray has more open water, broader main-lake sections, and a more resort-adjacent culture near the Lexington County communities. Old Hickory is narrower and more river-like in feel — 97 miles of winding Cumberland River reservoir — with a stronger year-round residential community character and less weekend tourist traffic than Murray attracts in summer.

Pool stability is a genuine Old Hickory advantage. The lake runs at 445 ft MSL with minimal seasonal fluctuation, typically only 2–3 feet. Lake Murray has a more variable pool driven by Dominion Energy's operational needs and periodic major drawdowns every 3–5 years for maintenance. In some Murray coves, dock access becomes limited or impossible during drought conditions — a practical issue that Murray buyers in marginal-depth coves have experienced. Old Hickory coves do not have this problem under normal conditions.

Nashville vs. Columbia: City Comparison

Both lakes offer proximity to a real city, but the cities are not equivalent. Nashville is larger, faster-growing, and has a stronger national brand, better direct air service from BNA, higher entertainment and cultural density, and is anchored by Vanderbilt University Medical Center — one of the country's top academic medical centers. Nashville's economy has been one of the strongest in the US over the past decade, with corporate relocations, healthcare, and technology driving growth. BNA offers direct non-stop service to most major US cities.

Columbia SC is a smaller state capital with a solid university (USC), regional hospital infrastructure (Prisma Health Richland, 711 beds), and state government employment base. CAE Columbia airport offers limited direct service — most national routes require a connection through Atlanta or Charlotte. For buyers whose daily or weekly lives include business travel or medical specialist visits, BNA's connectivity is a meaningful operational advantage over CAE. For buyers whose lives are fully local and airport access is occasional, this matters less.

Who Should Choose Old Hickory

Old Hickory is the better choice for buyers who are still working and earning meaningful income — the zero Tennessee income tax compounds significantly over a working decade and can exceed $100,000 in tax savings versus a mid-rate state. It is better for buyers who specifically want Nashville's cultural and economic infrastructure within 30 minutes, who value national airport connectivity for frequent travel, or who want Vanderbilt's medical resources accessible as primary-care proximity rather than drive-several-hours access. The year-round residential community character — Hendersonville, Gallatin, and Old Hickory town are real municipalities, not resort communities — suits buyers who want a permanent home in an established community rather than a second home in a vacation-adjacent environment.

Who Should Choose Lake Murray

Lake Murray is the better choice for buyers who are retired or living primarily on Social Security and modest retirement income, where South Carolina's income tax exemptions neutralize TN's income tax advantage while Lexington County's dramatically lower property tax becomes the dominant annual cost driver. It is better for buyers who want more open water and a larger lake footprint, who prefer the convenience of a Dominion Energy permit that transfers cleanly at closing, or who have existing ties to South Carolina — family, professional relationships, or preference for the SC healthcare system. Lake Murray at 50,000 acres is simply a bigger lake, which matters for buyers who want long open-water runs, sailing, or a lake that never feels crowded.

The Pages to Read Next

Full independent research on both lakes is published here:

• Old Hickory Lake TN — complete buyer research
• Lake Murray SC — complete buyer research