Sea Colony
Sea Colony is a gated, oceanfront condominium community at 1801 Mainsail Circle in Jupiter, Palm Beach County, built in 1989 and comprising 171 residences across low-rise, two-story buildings. The condominiums share the broader Sea Colony community with a separate enclave of townhomes, and residents have access to a resort-style swimming pool, a fitness center, tennis courts, and a clubhouse. The association provides 24-hour manned gated security, and private walkways lead directly from the grounds to beach access on the Atlantic Ocean. It is a dog-friendly community that permits pets, a feature that distinguishes it among Jupiter's oceanfront condo options. The building sits east of US Highway 1 in Jupiter's oceanfront corridor, near Juno Beach and the Juno Dunes Natural Area.
Amenities
- Resort-style swimming pool
- Fitness/exercise room
- Tennis courts
- Clubhouse/community room
- 24-hour manned gated security
- Private boardwalk/pathway beach access
- Pet-friendly (dogs allowed)
Sea Colony sits east of US Highway 1 in Jupiter's oceanfront condo corridor, with private pathways leading directly to beach access near Juno Beach. The area is close to Juno Dunes Natural Area, a 569-acre oceanfront park with hiking trails and a boardwalk, as well as Jupiter's shops, restaurants, and pier.
Income
Employment
Income Brackets (%)
Population
Age Distribution (%)
Housing Tenure
Ownership (%)
Education (age 25+)
Educational Attainment (%)
Commute to Work
How Residents Commute (%)
Population
Race & Ethnicity (%)
Jupiter, FL 33477
Available Residences at Sea Colony
4 Bedroom Condos · 1 unit
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| 1403 | $1,195,000 | 4 / 3 | 1,897 | $630 | 93 |
3 Bedroom Condos · 2 units
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| 1404 | $1,200,000 | 3 / 3 | 1,822 | $659 | 86 |
| — | $1,110,900 | 3 / — / 1 | 2,164 | $513 | 120 |
2 Bedroom Condos · 3 units
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| 1801 | $725,000 | 2 / 2 | 1,263 | $574 | 309 |
| 1509 | $725,000 | 2 / 2 | 1,353 | $536 | 31 |
| 1809 | $719,000 | 2 / 2 | 1,263 | $569 | 13 |
Compare every Jupiter building, its inventory, and area market trends in one place.
ANALYTICS
CURRENT INVENTORY
INVENTORY BY BEDROOM
- 2 Bed (3) 50%
- 3 Bed (2) 33%
- 4 Bed (1) 17%
INVENTORY TREND (ALL UNITS)
Market & Community Report
As of August 13, 2026, Sea Colony carries 6 active listings at an average asking price of $946K, with an average time on market of 109 days. Closed sales over the preceding 36 months averaged $520 per sq ft, and 0 transactions closed in the past 12 months — implying — months of supply against the current pace of absorption.
Zip code 33477 (Jupiter) is home to 12,375 residents with a median age of 67.3. Per-capita income stands at $106,827; 59.6% hold a bachelor's degree or higher. 86.1% of units are owner-occupied; 29.2% of residents work from home.
Explore the full Jupiter market intelligence report — pricing trends, inventory & sales pace →
Data current as of August 13, 2026. Market metrics derived from MLS closed sales; community data from U.S. Census ACS.
Frequently Asked Questions — Sea Colony
How many condos are for sale at Sea Colony?
As of August 13, 2026, 6 residences are actively listed for sale at Sea Colony. Current asking prices range from $719K to $1.2M. Inventory updates daily from the MLS.
How much do condos at Sea Colony cost?
Condos at Sea Colony are currently asking from $719K to $1.2M. Over the past 36 months, closed sales have averaged $520 per square foot. Final pricing varies by floor, line, square footage, finishes, and view.
What is the average price per square foot at Sea Colony?
Based on MLS closed sales over the preceding 36 months, the average sale price at Sea Colony is $520 per square foot. Use this as a benchmark when comparing active listings in the building.
Where is Sea Colony located?
Sea Colony is located at 905 Mainsail Cir, Jupiter, FL, 33477, in the Jupiter area.
What neighborhood is Sea Colony in?
Sea Colony is in Jupiter, Jupiter. You can compare every condo building, home inventory, and price trend across Jupiter on its neighborhood guide.
How many units are in Sea Colony?
Sea Colony has 171 residences across 2 stories.
What year was Sea Colony built?
Sea Colony was completed in 1989.
What amenities does Sea Colony offer?
Sea Colony amenities include Resort-style swimming pool, Fitness/exercise room, Tennis courts, Clubhouse/community room, 24-hour manned gated security, Private boardwalk/pathway beach access, Pet-friendly (dogs allowed).