Third Lake · Lake County · IL
Homes for sale in
Mariners Cove.
- Active listings
- 2
- Median list
- $603K
- Avg time on market
- 42 days
- Sold · last year
- 9
Active listings
2 homes on the market
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About the community
A private two-lake community in the heart of Lake County.
Mariners Cove is an established single-family neighborhood in the Village of Third Lake, wrapped around two private lakes, Druce Lake and Third Lake, with a Grayslake mailing address. It grew in phases from the mid-1980s into the early 1990s and today is a settled, family-oriented community of a few hundred homes on winding streets with nautical names. What sets it apart is the water: residents get private, non-public access to two lakes, with sand beaches, boat launches, and playgrounds maintained by an active homeowners association. The neighborhood also backs up to the Rollins Savanna Forest Preserve, so prairie trails sit right at its edge.
At a glance
Private sand beach
A residents-only beach on Druce Lake, not open to the public.
Two private lakes
Boat launches on both lakes; Third Lake allows motorized boats, Druce Lake is for paddle craft.
Year-round lake use
Fishing, swimming, kayaking, paddleboarding, and ice skating in winter.
Grayslake schools
Community Consolidated District 46 for K-8 and Grayslake District 127 for high school. Confirm the assigned schools by address.
Rollins Savanna at the edge
The Lake County prairie preserve with paved multi-use trails borders the neighborhood.
Active association
The homeowners association runs seasonal events like an Easter egg hunt, a Halloween parade, and a summer Fun Fest.
Established single-family homes
Detached homes built mostly from 1985 into the early 1990s across a wide size range.
Low annual HOA
A modest yearly assessment funds the beaches, launches, and common areas rather than a high monthly fee.
What’s close
Mariners Cove sits on Washington Street just west of US Route 45, the area's main commercial corridor, in central Lake County about 40 miles north of Chicago.
- Lake access
- Residents-only beaches and boat launches on Druce Lake and Third Lake, within the neighborhood.
- Open space
- The Rollins Savanna Forest Preserve, a large prairie with paved trails, borders the community.
- Shopping
- Everyday retail on the Route 45 corridor, with larger grocery and shopping in Grayslake and Round Lake Beach.
- Highways
- IL Route 120 (Belvidere Road) just south and IL Route 83 nearby for east-west and north-south travel.
- Train
- Metra service toward Chicago from nearby Grayslake and Round Lake Beach stations. Confirm the closest station and current schedule.
- Hospital
- Advocate Condell Medical Center in Libertyville, the county's Level I trauma center.
What it’s actually like to live here
Life in Mariners Cove is built around the water. The payoff for residents is genuinely private lake living: beaches you do not share with the public, launches for both motorboats on Third Lake and kayaks and paddleboards on quieter Druce Lake, and summers organized around swimming, fishing, and neighbors gathering at the beach. Backing up to the Rollins Savanna Forest Preserve adds miles of prairie trails, so the outdoor character extends well past the shoreline into fall and winter.
It is also a social, association-run neighborhood. The homeowners association keeps a full calendar, from an Easter egg hunt and a Halloween parade to a summer Fun Fest, which is why long-time residents describe the place as friendly and tight-knit. The homes are mostly late-1980s and early-1990s single-family houses across a wide range of sizes, so buyers can find anything from a mid-size starter to a larger home, generally at prices that are attainable for the area relative to newer lake communities.
The honest tradeoffs are worth naming. Lake County property tax rates run above the national average, so the carrying cost is a real part of the monthly budget here, and you should pull the actual bill for a specific parcel. The lakes are a shared, resident-governed resource: the pier comes out for winter, motorized use is concentrated on Third Lake, and homeowners are asked to protect water quality, so lake living comes with stewardship expectations. And the homes are now more than thirty years old, so condition and updates vary house to house. For buyers who want private beach-and-boat access without a luxury price tag, though, the combination is hard to match nearby.
Market trends
Why this market moves the way it does
Mariners Cove trades on something most Lake County subdivisions cannot offer: private access to two lakes. That amenity, plus the active association and the Grayslake school districts, is what supports value here, while the wide range of home sizes and the 1980s and 1990s vintage mean condition and updates drive the spread between homes.
What holds value
The fundamentals matter more than the cosmetics here. Buyers want floor plan, lot, and basement, in that order. Cosmetics are the tiebreaker.
- Private lake access
- Residents-only beaches and boat launches on two lakes are a durable draw that plainer nearby subdivisions cannot match.
- Home on or near the water
- Homes with lake views or short walks to the beach and launches carry a premium over interior lots.
- Condition and updates
- With a housing stock now thirty-plus years old, updated homes hold value while dated ones lag.
- Low carrying cost of the HOA
- A modest annual assessment, rather than a high monthly fee, keeps the ownership cost of the amenities down.
- Grayslake schools
- District 46 and District 127 assignment is a steady demand driver for families, subject to address-level confirmation.
Real talk
Who shouldn’t buy here
Here is the honest version before you tour.
Lake County property taxes are high, and they surprise buyers coming from lower-tax areas. Pull the actual tax history for the specific home rather than estimating off a different house, because the range across this community is wide and the effective rate sits in the low-to-mid 2 percent range of market value.
The lakes are a shared resource with rules and seasons. Motorized boating is concentrated on Third Lake, Druce Lake is quieter and paddle-oriented, the pier is removed for winter, and homeowners are asked to help protect water quality. If lake access is the reason you are buying, make sure the specific access, and any wait for a boat slip or launch privileges, matches what you expect.
The homes span the mid-1980s into the early 1990s and vary a lot in updating. An original home competes against a renovated one two streets over, and that gap shows up in price and days on market. Tour the specific home and get it inspected rather than assuming the community is uniform.
One piece of advice
“Mariners Cove is one of the few places in this part of Lake County where a regular family home comes with a private beach and a boat launch, and that is the whole reason to be here. Just confirm the assigned schools for the exact address, pull the real tax bill on the specific home, and buy on the home's own condition given the thirty-year age range. Do that and the private-lake lifestyle is a genuinely rare find at this price.”
The questions buyers actually ask
Mariners Cove FAQ
The questions I get most from buyers shopping Mariners Cove. If yours isn't here, text 224-385-8779, same-day reply.
- What does the HOA actually cover?
- The Mariners Cove Community Association charges a modest annual assessment (about $250 per home, due in early summer) that maintains the private beaches, the boat launches, the playgrounds, and the common areas, and funds neighborhood events. This is a low annual assessment rather than a monthly maintenance fee. Confirm the current amount and request a paid-assessment letter for the specific home.
- When was Mariners Cove built?
- Originally planned by developer Lee Fry, built out in phases from 1985 built the community between 1985 and 1993. Originally planned by developer Lee Fry, built out in phases from 1985 stopped new construction in 1993, so every sale today is a resale.
- What's the typical closing timeline?
- 30 to 60 days from accepted offer to keys. Cash deals can close in two weeks. Conventional financing is usually closer to 60.
- Do Mariners Cove homes have private lake access?
- Yes. Druce Lake and Third Lake sit within the community and the Village of Third Lake and are accessible only to residents, not the general public. The neighborhood has a residents-only sand beach on Druce Lake plus boat launches on both lakes.
- Can I use a motorboat?
- Third Lake, the larger lake, allows motorized boats and has a neighborhood launch. Druce Lake has a launch for non-motorized craft and is popular for kayaking and paddleboarding. Illinois DNR boating rules apply, so confirm current launch and slip privileges with the association.
- Is there an HOA, and what does it cost?
- Yes. The Mariners Cove Community Association charges a modest annual assessment (on the order of $250 per home) that maintains the beaches, boat launches, playgrounds, and common areas and funds neighborhood events. Confirm the current figure and request a paid-assessment letter when you buy.
- What schools would my kids attend?
- Third Lake is served by Community Consolidated School District 46 (K-8, based in Grayslake) and Grayslake Community High School District 127. The specific assigned elementary school depends on your exact address, so confirm the assignment with both districts before you buy.
- What do homes cost and how is the market?
- Pricing moves with the market, so rather than quote a figure, check the live Market snapshot on this page for current listings and recent sales. In general terms, Mariners Cove offers a wide range of home sizes at prices that are attainable for the Third Lake and Grayslake area, with larger and lake-oriented homes at the upper end.
- Are property taxes high?
- Lake County rates run above the national average, with an effective rate commonly estimated in the low-to-mid 2 percent range of market value. Your actual bill depends on the specific parcel, its assessed value, and exemptions, so verify with the Lake County Treasurer or Assessor for any home you consider.
- Who is the real estate agent for Mariners Cove?
- Joe Keegan is the local licensed Illinois real estate broker who covers Mariners Cove in Third Lake, IL through Subdiview, a neighborhood-first home search for the Chicago suburbs and collar counties. Joe prices and negotiates from the live MRED sold comps for Mariners Cove specifically, not national averages, and can help you buy or sell here. Reach Joe at 224-385-8779 or joe@joekeeganhomes.com.
Your local agent
Joe knows Mariners Cove
Most agents will list anything. I focus on the places I actually know, and the things that move value here don't show up in the MLS write-up: which streets and buildings hold demand, what the HOA or assessments really cover, how the comps read once you account for condition and location, and where buyers consistently want to be.
When you're ready to tour or list, you want someone who has read the last 50 closed comps in this specific market, not a national average, and can tell you what they actually mean for your price. That's how I work. Text or call any time, and I'll give you a real take, not a brochure.
- Licensed Illinois broker
- Comp-driven pricing
- Third Lake specialist
- Honest local market take
- Brokerocity
Market snapshot
Mariners Cove, by the numbers
Live MRED data, refreshed daily. The numbers below tell you what this market is doing today, not what Zillow's algorithm thinks it might be doing six weeks from now.
Typical list price
$602,500
Typical sale price · last 90 days
$430,000
Homes for sale right now
2
Avg time on market
42 days
Sold in the last year
9
This representation is based in whole or in part on data supplied by Midwest Real Estate Data, LLC for the period September 10, 2025 through September 10, 2026. Midwest Real Estate Data, LLC does not guarantee nor is it in any way responsible for its accuracy. Data maintained by Midwest Real Estate Data LLC may not reflect all real estate activity in the market.
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Schools serving Mariners Cove
Where Mariners Cove homes go to school
Homes in Mariners Cove are most often zoned to Grayslake North HS. Open a school to see its area, the district, and every home for sale that feeds it.
School assignment is derived from the school the MRED listing agent entered and is not a guarantee. Always verify current attendance boundaries with the district before writing an offer.
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