28

Kalkaska, MI Homes for Sale under $600,000

Section Image Section Image
  • 2596 Timber Trail NE, Kalkaska, MI 49646
    2596 Timber Trail NE, Kalkaska, MI 49646
    2596 Timber Trail NE, Kalkaska, MI 49646
    /41

    $330,000

    $5K PRICE DROP
    • 3 Beds
    • 2.5 Baths
    • 1,344 Sq Ft

    2596 Timber Trail NE, Kalkaska, MI 49646

    This inviting 3-bedroom, 2.5-bath ranch is located in a desirable neighborhood just outside of Kalkaska, offering a comfortable setting with an easy commute to Traverse City. Features include a primary suite, attached 2-car garage, fenced backyard, and spacious deck- perfect for relaxing or entertaining. The basement includes an egress window, offering additional potential for finished living

    Agent Photo

    Travis Quist

    REMAX Central

    2596 Timber Trail NE, Kalkaska, MI 49646
  • 2324 Krumlauf Rd SE, Kalkaska, MI 49646
    2324 Krumlauf Rd SE, Kalkaska, MI 49646
    2324 Krumlauf Rd SE, Kalkaska, MI 49646
    /54

    $339,900

    $20K PRICE DROP
    • 3 Beds
    • 2 Baths
    • 1,456 Sq Ft

    2324 Krumlauf Rd SE, Kalkaska, MI 49646

    Endless possibilities await on this beautiful 35-acre property in Kalkaska. Offering approximately 10 acres of open, rolling fields and the remainder in mature maple hardwoods, this property is well suited for a hobby farm, horse property, homestead, recreational retreat, or long-term timber investment. Tucked away at the end of a long, meandering shared driveway, the setting is exceptionally

    Agent Photo

    Christina Roberts

    Keller Williams Northern Michigan

    2324 Krumlauf Rd SE, Kalkaska, MI 49646
  • 5596 Rita Dr NE, Kalkaska, MI 49646
    5596 Rita Dr NE, Kalkaska, MI 49646
    5596 Rita Dr NE, Kalkaska, MI 49646
    /90

    $399,900

    $25K PRICE DROP
    • 3 Beds
    • 4 Baths
    • 2,545 Sq Ft

    5596 Rita Dr NE, Kalkaska, MI 49646

    Enjoy Northern Michigan lakefront living with this 3-bedroom, 4-bath home featuring 95 feet of private frontage on beautiful Pickerel Lake in Kalkaska. Each bedroom offers its own private bathroom, while a fourth bath is available for guests. The open-concept layout flows from the kitchen to the dining area and living room, where a wood-burning fireplace and large windows provide beautiful lake

    Agent Photo

    Frank Franco

    REMAX Bayshore - Kalkaska

    5596 Rita Dr NE, Kalkaska, MI 49646
  • 520 Old M-66 NE, Kalkaska, MI 49646
    520 Old M-66 NE, Kalkaska, MI 49646
    520 Old M-66 NE, Kalkaska, MI 49646
    /44

    $444,900

    $5K PRICE DROP
    • 5 Beds
    • 2 Baths
    • 1,620 Sq Ft

    520 Old M-66 NE, Kalkaska, MI 49646

    Explore 40 acres of opportunity with this incredible property that borders the Kalkaska Village limits! Built in 2019, this home features 5 spacious bedrooms and 2 modern bathrooms, making it perfect for those seeking extra space and room to roam. Zoned Com/AG/Residential. Including 6 splits. The property includes a generous three-car garage and a barn suitable for horses or cattle, perfect for

    Agent Photo

    Tammy Jarvis

    Key Realty One-TC

    520 Old M-66 NE, Kalkaska, MI 49646
  • 1540 Twin Birch Rd NE, Kalkaska, MI 49646
    1540 Twin Birch Rd NE, Kalkaska, MI 49646
    1540 Twin Birch Rd NE, Kalkaska, MI 49646
    /48

    $384,900

    $20K PRICE DROP
    • 3 Beds
    • 2 Baths
    • 1,754 Sq Ft

    1540 Twin Birch Rd NE, Kalkaska, MI 49646

    Beautifully maintained home nestled along the 12th hole of Twin Birch Golf Course in Kalkaska, Michigan! Enjoy the peaceful golf course setting from the spacious covered deck--perfect for relaxing summer evenings while watching golfers perfect their putts. Inside, you'll find 1,754 square feet of thoughtfully designed living space featuring an open floor plan, soaring vaulted ceilings, and a

    Agent Photo

    Tammy Jarvis

    Key Realty - TC

    1540 Twin Birch Rd NE, Kalkaska, MI 49646
  • 877 Golf Side Dr, Kalkaska, MI 49646
    877 Golf Side Dr, Kalkaska, MI 49646
    877 Golf Side Dr, Kalkaska, MI 49646
    /50

    $389,900

    • 3 Beds
    • 2.5 Baths
    • 1,740 Sq Ft

    877 Golf Side Dr, Kalkaska, MI 49646

    Spectacular home in sought after Golf Side Subdivison. Area of upscale quality built homes, close to town and Twin Birch Restaurant and Golf course. New forced air furnace and central air currently being install. 3 bedrooms, 2 1/2 baths, ceramic in bathrooms, hardwood floors, unfinished basement, gas fireplace, formal dining room with doorwalls to deck and your fabulous backyard sanctuary. Large

    Agent Photo

    Sean Riley

    Coldwell Banker Schmidt-Kalkas

    877 Golf Side Dr, Kalkaska, MI 49646
  • 411 S Walnut St, Kalkaska, MI 49646
    411 S Walnut St, Kalkaska, MI 49646
    411 S Walnut St, Kalkaska, MI 49646
    /28

    $325,000

    $50K PRICE DROP
    • 3 Beds
    • 1.5 Baths
    • 1,794 Sq Ft

    411 S Walnut St, Kalkaska, MI 49646

    Charming farmhouse-style home located in the village of Kalkaska! This inviting property offers 3 bedrooms (including one non-conforming) and 1.5 baths, with the added benefit of main floor living for everyday ease and convenience. Blending character with functionality, the home features timeless architectural details, including graceful archways that add warmth and personality throughout the

    Agent Photo

    Danielle Jerome

    Coldwell Banker Schmidt Traverse City

    411 S Walnut St, Kalkaska, MI 49646
  • TBB 5086 Red Maple Dr, Kalkaska, MI 49646
    TBB 5086 Red Maple Dr, Kalkaska, MI 49646
    TBB 5086 Red Maple Dr, Kalkaska, MI 49646
    /43

    $369,900

    New Construction
    • 3 Beds
    • 2 Baths
    • 1,247 Sq Ft

    TBB 5086 Red Maple Dr, Kalkaska, MI 49646

    Experience main floor living at its best in this upcoming 3 bed/2 bath ranch-style home in Kalkaska's tranquil Red Maple Neighborhood! This to-be-built home will feature a bright, open-plan layout with a modern gas fireplace as the focal point. Enjoy natural light from the abundance of windows and sliding glass doors. The island kitchen will boast crisp cabinetry, stainless-steel appliances, and

    Agent Photo

    Jeremy Fenske

    REMAX Bayshore - West Shore Dr TC

    TBB 5086 Red Maple Dr, Kalkaska, MI 49646
  • 302 W Dresden St, Kalkaska, MI 49646
    302 W Dresden St, Kalkaska, MI 49646
    302 W Dresden St, Kalkaska, MI 49646
    /52

    $534,900

    $5K PRICE DROP
    • 5 Beds
    • 3.5 Baths
    • 3,361 Sq Ft

    302 W Dresden St, Kalkaska, MI 49646

    Back on the market due to failed short sale. Step into this completely renovated 1890 Victorian home in downtown Kalkaska, where timeless charm meets modern luxury. You won’t believe this home isn’t brand new! With a large, open-concept living area, it offers an effortless flow perfect for both relaxation and entertaining. The formal dining room and a main floor primary suite with a walk-in

    James Hunter Bayside Real Estate

    302 W Dresden St, Kalkaska, MI 49646
  • 5174 Golf Haven Dr, Kalkaska, MI 49646
    5174 Golf Haven Dr, Kalkaska, MI 49646
    5174 Golf Haven Dr, Kalkaska, MI 49646
    /13

    $375,000

    New Construction
    • 3 Beds
    • 2 Baths
    • 1,824 Sq Ft

    5174 Golf Haven Dr, Kalkaska, MI 49646

    Under construction, 3 bedroom 2 bathroom home there is still time to pick out interior color concept. Located within 5 minutes to Manistee Lake and the Blue Bear ORV trail system.

    Melisa Bertram Real Estate One of Gaylord

    5174 Golf Haven Dr, Kalkaska, MI 49646
  • 6645 Birch Dr NE, Kalkaska, MI 49646
    6645 Birch Dr NE, Kalkaska, MI 49646
    6645 Birch Dr NE, Kalkaska, MI 49646
    /39

    $380,000

    $10K PRICE DROP
    • 2 Beds
    • 1 Bath
    • 1,176 Sq Ft

    6645 Birch Dr NE, Kalkaska, MI 49646

    Watch the loons glide across peaceful Indian Lake from 102' of private frontage at this updated 2BR/1BA, 1,176 sq ft lake home. Enjoy a 4' x 42' dock, spacious deck and gazebo for taking in the water and wildlife. Inside: hickory cabinetry, granite counters, quartz bath, LVP flooring and inviting lake views. Major updates include Decra metal roof, windows, HVAC, natural gas and water-treatment

    Diane McMurphy United Country Great Lakes Realty & Auction

    6645 Birch Dr NE, Kalkaska, MI 49646
  • 4724 E Shore Dr NE, Kalkaska, MI 49646
    4724 E Shore Dr NE, Kalkaska, MI 49646
    4724 E Shore Dr NE, Kalkaska, MI 49646
    /14

    $320,000

    • 4 Beds
    • 2 Baths
    • 2,032 Sq Ft

    4724 E Shore Dr NE, Kalkaska, MI 49646

    Spacious 4-bedroom, 2-bath home with over 2,000 square feet of living space in a charming lakeside community! Located directly across the road from Manistee Lake, the home enjoys seasonal lake views and plenty of room to spread out. Inside, you’ll find a large family room with a cozy tile fireplace, along with a spacious open kitchen and dining area that’s perfect for gathering and entertaining.

    Brian McAllister Bouwman Realty Group

    4724 E Shore Dr NE, Kalkaska, MI 49646
  • 2218 Tamara Rd NW, Kalkaska, MI 49646
    2218 Tamara Rd NW, Kalkaska, MI 49646
    2218 Tamara Rd NW, Kalkaska, MI 49646
    /44

    $329,900

    • 3 Beds
    • 2 Baths
    • 2,060 Sq Ft

    2218 Tamara Rd NW, Kalkaska, MI 49646

    Discover the perfect blend of comfort, convenience, and space. Located in a desirable subdivision just outside of town, this inviting 3-bedroom, 2-bath home offers room to live, work, and relax. Step inside to a large, welcoming living room that provides plenty of space for gatherings and everyday living. The main-floor primary suite offers convenience and privacy, while two additional bedrooms

    Chad Anderson Coldwell Banker Schmidt-Kalkas

    2218 Tamara Rd NW, Kalkaska, MI 49646
  • 3471 County Road 571 NE, Kalkaska, MI 49646
    3471 County Road 571 NE, Kalkaska, MI 49646
    3471 County Road 571 NE, Kalkaska, MI 49646
    /45

    $479,000

    $16K PRICE DROP
    • 5 Beds
    • 3 Baths
    • 3,000 Sq Ft

    3471 County Road 571 NE, Kalkaska, MI 49646

    Welcome to your Northern Michigan retreat! Nestled on a private 1 acre parcel just minutes from Manistee Lake and Sands Park. This spacious 5 bedroom, 3 bath home offers the perfect blend of comfort, functionality, and Up North charm. Relax or entertain on the expansive 3/4 wraparound deck overlooking the peaceful surroundings. Inside, the open concept floor plan is highlighted by soaring vaulted

    Stephanie Koppe REO - Bellaire

    3471 County Road 571 NE, Kalkaska, MI 49646
  • 0 Spencer Rd SE, Kalkaska, MI 49646
    0 Spencer Rd SE, Kalkaska, MI 49646
    0 Spencer Rd SE, Kalkaska, MI 49646
    /43

    $369,900

    • Land
    • 60 Acres
    • $6,165 per Acre

    0 Spencer Rd SE, Kalkaska, MI 49646

    60-acres in Kalkaska County!! This property is designed to maximize wildlife and recreational usage. Engineered trails and custom food plots throughout this QDM land featuring several blinds, 1700 yards of shooting lanes and a duck pond. Also includes 1.4 miles of groomed trails. Your hunter's paradise awaits.

    James Garrow Bayside Real Estate

    0 Spencer Rd SE, Kalkaska, MI 49646
  • 6268 E M-72, Kalkaska, MI 49646
    6268 E M-72, Kalkaska, MI 49646
    6268 E M-72, Kalkaska, MI 49646
    /61

    $435,000

    $20K PRICE DROP
    • 3 Beds
    • 2 Baths
    • 1,288 Sq Ft

    6268 E M-72, Kalkaska, MI 49646

    26-Acre Country Retreat – Perfect for Horses, Hobby Farming, or Peaceful Northern Michigan Living. This is where country charm meets modern comfort. This well-maintained 3-bedroom, 2-bath home offers an inviting open floor plan with warm hardwood floors and a spacious layout designed for comfortable everyday living. The main-floor primary suite provides convenience and privacy. Outside, you'll

    Chad Anderson Coldwell Banker Schmidt-Kalkas

    6268 E M-72, Kalkaska, MI 49646
  • 204 N Orange St, Kalkaska, MI 49646
    204 N Orange St, Kalkaska, MI 49646
    204 N Orange St, Kalkaska, MI 49646
    /45

    $330,000

    $30K PRICE DROP
    • 3 Beds
    • 2 Baths
    • 1,462 Sq Ft

    204 N Orange St, Kalkaska, MI 49646

    Find your forever home right here in Kalkaska! This 3 bedroom 2 bath home has been recently remodeled with modern finishes, offering plenty of space both inside and out on a rare triple lot in the heart of the village. The attached garage is perfect for storage or a workshop. Step out back and you'll find a large fenced in yard ideal for pets or entertaining family, there's even a charming

    Melissa Steiner The Difference Real Estate

    204 N Orange St, Kalkaska, MI 49646
  • 5532 Kerbyson Dr SE, Kalkaska, MI 49646
    5532 Kerbyson Dr SE, Kalkaska, MI 49646
    5532 Kerbyson Dr SE, Kalkaska, MI 49646
    /25

    $324,900

    • 2 Beds
    • 2 Baths
    • 2,000 Sq Ft

    5532 Kerbyson Dr SE, Kalkaska, MI 49646

    All Sports East Lake, 3 bedroom, 2 bath, Your Up North Oasis Awaits on East Lake in KALKASKA COUNTY. Swan Dive or Cannon Ball into the charm of Northern Michigan with this stunning lakefront home on the serene, all-sports East Lake! Nestled just 10 minutes south of Kalkaska, this property offers the perfect blend of tranquility and adventure, surrounded by the natural beauty of crystal-clear

    Rick Matley The Difference Real Estate

    5532 Kerbyson Dr SE, Kalkaska, MI 49646
  • 6361 Myers Rd NE, Kalkaska, MI 49646
    6361 Myers Rd NE, Kalkaska, MI 49646
    6361 Myers Rd NE, Kalkaska, MI 49646
    /11

    $315,000

    $5K PRICE DROP
    • 9 Beds
    • 5.5 Baths
    • 4,800 Sq Ft

    6361 Myers Rd NE, Kalkaska, MI 49646

    Discover the exceptional space and potential of this expansive 9-bedroom, 5.5-bath property in Kalkaska! Formerly an AFC home, it features a major addition and a separate downstairs apartment, offering versatile living arrangements. Enjoy peace of mind with a newer roof (2023?2024), well-maintained HVAC, and solid plumbing, electrical, and foundation. With abundant space and opportunity, this

    Scott Fader Joseph Walter Realty LLC

    6361 Myers Rd NE, Kalkaska, MI 49646
  • 4155 Spencer Rd SE, Kalkaska, MI 49646
    4155 Spencer Rd SE, Kalkaska, MI 49646
    4155 Spencer Rd SE, Kalkaska, MI 49646
    /83

    $499,900

    • 4 Beds
    • 1.5 Baths
    • 2,206 Sq Ft

    4155 Spencer Rd SE, Kalkaska, MI 49646

    Discover the perfect blend of privacy, natural beauty, and versatility on 20 beautiful acres in Kalkaska! This unique property offers over 671 feet of frontage on Pierson Creek, creating a peaceful setting surrounded by hardwoods, pines, and abundant wildlife. The property features a welcoming home with a wrap-around porch and covered back porch, providing plenty of space to relax and enjoy the

    Chad Anderson Coldwell Banker Schmidt-Kalkas

    4155 Spencer Rd SE, Kalkaska, MI 49646
  • 3982 Mitchell Rd SE, Kalkaska, MI 49646
    3982 Mitchell Rd SE, Kalkaska, MI 49646
    3982 Mitchell Rd SE, Kalkaska, MI 49646
    /29

    $375,900

    $4K PRICE DROP
    • Land
    • 80 Acres
    • $4,699 per Acre

    3982 Mitchell Rd SE, Kalkaska, MI 49646

    80 Acres of Pure Northern Michigan land offering the perfect hunting retreat, family homestead, a secluded cabin getaway, full-time residence, or a long-term investment! This exceptional property provides the space, privacy, and natural beauty to make it a reality. The land features a stunning blend of mature hardwoods, towering pines, open clearings, and gently rolling terrain that creates both

    Jennifer Mancini Berkshire Hathaway HomeServices-Boyne City

    3982 Mitchell Rd SE, Kalkaska, MI 49646
  • 3265 M 72 W, Kalkaska, MI 49646
    3265 M 72 W, Kalkaska, MI 49646
    3265 M 72 W, Kalkaska, MI 49646
    /27

    $569,999

    • 3 Beds
    • 2 Baths
    • 2,465 Sq Ft

    3265 M 72 W, Kalkaska, MI 49646

    YOUR NORTHERN MICHIGAN ESCAPE AWAITS! Nestled in a peaceful wooded setting between Kalkaska and Traverse City, this inviting 3-bedroom, 2-bath home offers the perfect combination of privacy, comfort, and convenience. Surrounded by beautiful woods, this property gives you that sought-after Up North feel while keeping you within easy reach of Traverse City, Kalkaska, lakes, trails, dining,

    Jennifer Verdi-Stieg RiverTown Real Estate, LLC

    3265 M 72 W, Kalkaska, MI 49646
  • 7578 S River Rd SW, Kalkaska, MI 49646
    7578 S River Rd SW, Kalkaska, MI 49646
    7578 S River Rd SW, Kalkaska, MI 49646
    /32

    $395,000

    • 2 Beds
    • 1 Bath
    • 880 Sq Ft

    7578 S River Rd SW, Kalkaska, MI 49646

    Boardman River Frontage- “Trout Trifecta” Imagine landing three fish in a single day; Rainbow, Brook and Brown! You can do it right here! The rivers include Au Sable, Manistee and our own Boardman PLUS a completely and skillfully rebuilt four season cabin on 10 acres of land; the parcel is divided by the North Branch of the Boardman River (aka The Ottaway). 25 miles west of the property one will

    Kristine Shacklette Century 21 Northland

    7578 S River Rd SW, Kalkaska, MI 49646
  • 10477 Black Bear Rd NE, Kalkaska, MI 49646
    10477 Black Bear Rd NE, Kalkaska, MI 49646
    10477 Black Bear Rd NE, Kalkaska, MI 49646
    /76

    $475,000

    $25K PRICE DROP
    • 4 Beds
    • 3 Baths
    • 2,860 Sq Ft

    10477 Black Bear Rd NE, Kalkaska, MI 49646

    Nestled on the shores of Cub Lake with 100 feet of private frontage, this inviting Kalkaska retreat offers the perfect blend of waterfront living and year-round recreation. Enjoy peaceful lake views from multiple decks, relax on the covered front porch, or unwind in the bright four-season room overlooking the water. The home features an attached two-car garage plus an impressive 24x32 detached

    Chad Anderson Coldwell Banker Schmidt-Kalkas

    10477 Black Bear Rd NE, Kalkaska, MI 49646
  • 5182 E Shore Dr NE, Kalkaska, MI 49646
    5182 E Shore Dr NE, Kalkaska, MI 49646
    5182 E Shore Dr NE, Kalkaska, MI 49646
    /45

    $349,000

    • 3 Beds
    • 2 Baths
    • 2,108 Sq Ft

    5182 E Shore Dr NE, Kalkaska, MI 49646

    Looking for a home that gives you room to live, work, store your toys, and enjoy the outdoors? This may be the one! Situated on 1.22 acres of level land, this well-maintained 3-bedroom, 2-bath ranch offers an impressive combination of comfortable living space and outdoor amenities just minutes from Manistee Lake and approximately 15 minutes from Kalkaska. The home features a versatile layout with

    Stephanie Koppe REO-TCBellaire-233025

    5182 E Shore Dr NE, Kalkaska, MI 49646
  • 1397 Riley Rd SE, Kalkaska, MI 49646
    1397 Riley Rd SE, Kalkaska, MI 49646
    1397 Riley Rd SE, Kalkaska, MI 49646
    /63

    $360,000

    $90K PRICE DROP
    • 3 Beds
    • 2.5 Baths
    • 2,150 Sq Ft

    1397 Riley Rd SE, Kalkaska, MI 49646

    Welcome to your private slice of paradise! Nestled on 5 beautiful acres, this spacious 3-bedroom, 2.5-bath home offers the perfect blend of comfort, functionality, and room to grow. Inside, you’ll find two separate living rooms, providing plenty of space for relaxing, entertaining, or creating distinct areas for family and guests. A large flex room adds even more versatility—perfect for a home

    Chad Anderson Coldwell Banker Schmidt-Kalkas

    1397 Riley Rd SE, Kalkaska, MI 49646
  • 1426 SE Riley Rd, Kalkaska, MI 49646
    1426 SE Riley Rd, Kalkaska, MI 49646
    1426 SE Riley Rd, Kalkaska, MI 49646
    /25

    $318,000

    • Land
    • 15.73 Acres
    • $20,216 per Acre

    1426 SE Riley Rd, Kalkaska, MI 49646

    15+ acres 25 minutes southeast of Traverse City- Paradise in the pines -This property offers the kind of peace and privacy people dream about. What makes it unique is that it's already improved with electricity, water, septic; an 800-foot gravel driveway; a finished outbuilding with a bath, kitchen, and laundry; a camper; and more. It includes a Conex storage container stocked with a mower,

    Robert Matteson The Mitten Real Estate Group

    1426 SE Riley Rd, Kalkaska, MI 49646
  • 10852 Black Bear Rd NE, Kalkaska, MI 49646
    10852 Black Bear Rd NE, Kalkaska, MI 49646
    10852 Black Bear Rd NE, Kalkaska, MI 49646
    /97

    $529,000

    $30K PRICE DROP
    • 3 Beds
    • 3 Baths
    • 1,718 Sq Ft

    10852 Black Bear Rd NE, Kalkaska, MI 49646

    The completely remodeled home will make anyone smile, from upscale stainless appliances, all brand new mechanicals, 3 bedrooms, 3 bathrooms. Cub Lake, half way between Kalkaska and Grayling less then a mile to Blue Bear Trail system, Bear and Cub Lakes and on a paved road. 5 acres of beautiful hardwoods. Make your relatives and friend jealous with your new home.

    Chad Anderson Coldwell Banker Schmidt-Kalkas

    10852 Black Bear Rd NE, Kalkaska, MI 49646
Michigan Kalkaska County

Real Estate & Homes in Kalkaska, MI under $600,000

Home Prices in Kalkaska, MI

The median home sale price in Kalkaska, MI is $250,000, consistent with the median home sale price year-over-year. Homes in Kalkaska sell in 84 days on average, compared to the national average of 55 days.

Home Price Trends

Median Sale Price
$250,000
Median Single Family Sale Price
$269,700
Median 2 Bedroom Sale Price
$215,500
Median 1 Bedroom Sale Price
$147,000
Average Price Per Sq Ft
$202
Number of Homes for Sale
28
Last 12 months Home Sales
75
Months of Supply
5.10
Median List Price
$279,900
Median Change From 1st List Price
4%
Median Home Sale Price YoY Change
0%
How to Buy a Home How to Finance a Home How to Sell a Home

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

Homes.com Licensing Information

§ 442-H New York Standard Operating Procedures

New York Fair Housing Notice

TREC: Information about brokerage services, Consumer protection notice

California DRE #01937601

Contact Homes.com Brokerage

Copyright © 2026 CoStar Group