Property Type:
Residential
Bedrooms:
3
Baths:
2
Square Footage:
2,594
Lot Size (sq. ft.):
16,450
Status:
Active
Current Price:
$789,000
List Date:
2/16/2026
Last Modified:
2/16/2026
21373 Sail Bay Drive, Cassopolis, MI 49031
New Listing
$789,000
Description
3BD 2BA 4,300-sq-ft Martin Brothers 2020 custom smart home, steps from deeded access to Diamond Lake's tranquil Sail Bay. Move-in ready, most furnishings included. Features top-tier windows, smartboard siding, Lutron lighting, Kitchler fixtures, hickory floors, arched front door, copper accents, 4 port windows. .378-acre lot offers lake benefits w/o high lake taxes. Boat slip, parklike waterside. Main level: living area w/ stone fireplace; kitchen w/ island/bar seating, stainless appliances, suede granite, pantry; vaulted-ceiling primary BD/BA w/ garden tub, twin vanities, tiled shower, laundry access; 2 BD; BA. Upstairs: large family room. Downstairs: storage, workshop, gym. Cedar/fir pavilion w/ Lion outdoor kitchen, pellet stove, gas grill, fridge, granite sink/counters, TV, sitting
Supplements: area. Huge attached 4-car garage w/ 12-ft ceiling, stairs to lower level. Charming elegance at sought-after all-sports lake.
More Information MLS# 26005579
Location & Property Info
Cross Streets: Diamond View & End
Property Sub-Type: Single Family Residence
Municipality: Calvin Twp
Office/Contract Info
Auction or For Sale: For Sale
List Price/SqFt: 304.16
General Property Info
New Construction: No
Lot Dimensions: 70*233*70*240
Road Frontage: 70
Garage Y/N: Yes
Garage Spaces: 4
Fireplace: Yes
Total Fireplaces: 1
Waterfront: No
Body of Water: Diamond Lake
Income Property: No
Basement: Yes
Total Rooms AG: 7
Total Fin SqFt All Levels: 2594
SqFt Above Grade: 2594
Below Grade Finished SqFt: 0
Below Grade Unfinished SqFt: 1799
Building Total SqFt: 4393
Total Beds Above Grade: 3
Statewide Lakes & Rivers: Diamond Lake
Main Level Primary: Yes
Stories: 2
School District: Cassopolis
Association YN: Yes
Lot Measurement: Acres
Lot Acres: 0.38
Lot Square Footage: 16450
Year Built: 2019
Total Bedrooms: 3
Full Baths: 2
Total Baths: 2
Tax Info
Taxable Value: 145010
SEV: 274900
For Tax Year: 2025
Seller's Annual Property Tax: 3945
Tax Year: 2025
Homestead %: 100
Spec Assessment & Type: none known
Tax ID #: 1401021003900
Remarks & Misc
Public Remarks: 3BD 2BA 4,300-sq-ft Martin Brothers 2020 custom smart home, steps from deeded access to Diamond Lake's tranquil Sail Bay. Move-in ready, most furnishings included. Features top-tier windows, smartboard siding, Lutron lighting, Kitchler fixtures, hickory floors, arched front door, copper accents, 4 port windows. .378-acre lot offers lake benefits w/o high lake taxes. Boat slip, parklike waterside. Main level: living area w/ stone fireplace; kitchen w/ island/bar seating, stainless appliances, suede granite, pantry; vaulted-ceiling primary BD/BA w/ garden tub, twin vanities, tiled shower, laundry access; 2 BD; BA. Upstairs: large family room. Downstairs: storage, workshop, gym. Cedar/fir pavilion w/ Lion outdoor kitchen, pellet stove, gas grill, fridge, granite sink/counters, TV, sitting
Legal: LOT 39 SAIL HARBOR NO 1
Waterfront Options
Water Access Y/N: Yes
Water Type
Lake: 1
Water Fea. Amenities
All Sports: 1
Deeded Access: 1
Shared Frontage: 1
Lot Description
Level: 1
Street Type
Paved: 1
Public: 1
Sewer
Public Sewer: 1
Water
Public: 1
Terms Available
Cash: 1
Conventional: 1
Association Info.
Approx. Assoc Fee: 125
Assoc. Fee Payable: Annually
Laundry Features
Laundry Closet: 1
Main Level: 1
Exterior Material
Stone: 1
Vinyl Siding: 1
Assoc. Fee Incl.
Other: 1
Roofing
Composition: 1
Parking Features
Attached: 1
Heat Source
Natural Gas: 1
Sale Conditions
None: 1
Heat Type
Forced Air: 1
Air Conditioning
Central Air: 1
Access Feat
Accessibility Features: No
Upper Rooms
Upper Level Square Feet: 795
Total Baths Above Grade: 2
Main Rooms
Main Bedrooms: 3
Main Full Baths: 2
Main Level SQFT: 1799
Lower Rooms
Lower Finished SQFT: 0
Total Lower SQFT: 1799
Basement Rooms
Basement Finished SQFT: 0
Total Basement SQFT: 0
Driveway
Paved: 1
Substructure
Full: 1
Kitchen Features
Center Island: 1
Garden Window: 1
Fireplace
Living Room: 1
Additional Items
Ceiling Fan(s): 1
Appliances
Dishwasher: 1
Disposal: 1
Microwave: 1
Oven: 1
Range: 1
Refrigerator: 1
Exterior Features
Other: 1
Patio and Porch Features
Patio: 1
Covered: 1
Landscape
Ground Cover: 1
Shrubs/Hedges: 1
Architectural Style
Contemporary: 1
Location Property Info
County: Cass
Street #: 21373
Street Name: Sail Bay
Suffix: Drive
State: MI
Zip Code: 49031
OfficeContract Info
Status: Active
List Price: $789,000
Current Price: $789,000
Listing Date: 2026-02-16
Remarks Misc
Directions: Calvin Center Rd to W on Brownsville St, N (right) on Diamond View Dr E (right) on Sail Bay to home
Property Features
Water Type: Lake
Laundry Features: Laundry Closet; Main Level
Exterior Material: Stone; Vinyl Siding
Roofing: Composition
Substructure: Full
Lot Description: Level
Sewer: Public Sewer
Water: Public
Kitchen Features: Center Island; Garden Window
Fireplace: Living Room
Additional Items: Ceiling Fan(s)
Appliances: Dishwasher; Disposal; Microwave; Oven; Range; Refrigerator
Heat Source: Natural Gas
Heat Type: Forced Air
Air Conditioning: Central Air
Exterior Features: Other
Patio and Porch Features: Covered; Patio
Landscape: Ground Cover; Shrubs/Hedges
Parking Features: Attached
Architectural Style: Contemporary
Driveway: Paved
Street Type: Paved; Public
Terms Available: Cash; Conventional
Sale Conditions: None
Room Information
Dining Area
Length: 21.00
Length: 21.00
Width: 18.00
Level: Main
Width: 18.00
Remarks: Entryway, Sitting, Dining
Kitchen
Length: 12.00
Length: 12.00
Width: 27.00
Level: Main
Width: 27.00
Living Room
Length: 21.00
Length: 21.00
Width: 15.00
Level: Main
Width: 15.00
Bathroom 1
Length: 6.00
Length: 6.00
Width: 8.00
Level: Main
Width: 8.00
Bedroom 2
Length: 13.00
Length: 13.00
Width: 11.00
Level: Main
Width: 11.00
Primary Bedroom
Length: 12.00
Length: 12.00
Width: 15.00
Level: Main
Width: 15.00
Primary Bathroom
Length: 13.00
Length: 13.00
Width: 11.00
Level: Main
Width: 11.00
Laundry
Length: 5.00
Length: 5.00
Width: 10.00
Level: Main
Width: 10.00
Remarks: in Primary Bathroom
Other
Length: 5.00
Length: 5.00
Width: 6.00
Level: Main
Width: 6.00
Remarks: Primary Closet
Recreation
Length: 53.00
Length: 53.00
Width: 15.00
Level: Upper
Width: 15.00
Listing Office:
Lake Life Realty
Listing Agent:
Paul DeLano
Last Updated: February - 16 - 2026
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