What OceanSound Leased at 450 Park Avenue
OceanSound Partners appears to have leased office space at 450 Park Avenue as a direct lease tenant. Its New York office is listed on Floor 22, New York, NY 10022.
That address is repeated on the firm’s contact page. It also aligns with a 2024 building listing identifying Ocean Sound Partners as a new lease tenant. The tower sits at the corner of Park Avenue and East 57th Street, giving the firm a Midtown East location.
The available evidence supports occupancy within a Class A, 4-star Midtown East tower at Park Avenue and 57th Street. This kind of institutional-quality positioning mirrors broader demand trends as investors pursue assets with strong fundamentals, including industrial REITs benefiting from logistics demand.
Lease Positioning
Marketing materials describe relevant opportunities in the building as direct lease space, not sublease inventory. That suggests OceanSound established an office headquarters presence through the landlord’s leasing program.
The Park Avenue setting, luxury positioning, and institutional quality fit an executive relocation narrative. It points to a high-profile New York address for investment operations and client-facing activity.
How Much Space Did OceanSound Take?
The clearest reading is that OceanSound occupies the 22nd floor, but its exact office footprint has not been published. That limits certainty around tenant implications tied to scale, staffing, or layout. In a broader leasing environment shaped by 2025 policy shifts, expanded tenant protections have increased attention on occupancy terms and landlord compliance.
What The Record Shows
- 22nd-floor references appear consistently across company and profile sources.
- No lease filing or announcement in the provided material states square footage.
- No ownership, sublease, or seat-count detail appears to refine the estimate.
The tower contains 337,000 square feet across 33 stories, but that building-wide total does not identify OceanSound’s specific space.
As a result, the most defensible description is a 22nd-floor presence without a verified size figure.
Why 450 Park Avenue Attracted OceanSound
Anchoring a corporate office at 450 Park Avenue placed the firm in one of Manhattan’s most prestigious business corridors.
The building sits at the southwest corner of 57th Street and Park Avenue in the Plaza District.
That address offered central prestige, high visibility, and close alignment with OceanSound’s identity as a private equity firm operating from a central Manhattan base.
Building Quality and Upgrades
The tower’s Class A profile, institutional character, and premium setting likely strengthened its appeal.
It stood out as more than a typical commodity office option.
Recent capital commitments and earlier renovations improved functionality and tenant experience.
Upgrades included the lobby, elevators, corridors, restrooms, and core building systems.
Market Signals
Institutional ownership, premium asking rents, and sustained leasing activity signaled market strength.
Those factors reinforced 450 Park Avenue as a credible long-term home for expansion.
Who Else Leases Space at 450 Park Avenue?
Several other tenants reinforce 450 Park Avenue’s profile as a tightly held Plaza District address for finance, legal, and advisory firms.
Financial tenants include Banco Bradesco, BlueCrest Capital Management, Garnett Station Partners, SPX Capital Management, Steadfast Financial, BDT Capital Partners, Junto Capital Management, JMP Group, One Capital Management, and Taconic Capital Advisors.
Legal advisors also hold a visible place, with Jones Day, Cleary Gottlieb, Milbank Tweed, and Brune, Law P.C. appearing in tenant records.
Corner retail frontage is anchored by Aston Martin and BankUnited.
Macro Advisory Partners joined as a newer advisory tenant, underscoring the building’s blend of institutional finance, counsel, and luxury-styled retail presence.
What Space Is Still Available at 450 Park Avenue?
Current marketing points first to two immediate direct office availabilities at 450 Park Avenue: the entire 5th floor and entire 6th floor, each measuring 10,392 RSF.
Both are furnished, with pre-build status either pending or underway. Together they represent 20,784 RSF in the clearest marketable inventory.
| Space | Size | Status |
|---|---|---|
| 5th Floor | 10,392 RSF | Immediate |
| 6th Floor | 10,392 RSF | Immediate |
| 11th Floor | 10,392 SF | Listed |
| 7th-9th Floors | 10,392 SF each | Available now |
Broader Inventory Pressure
Public listings widen the picture. CBRE cites 40,823 square feet available, while LoopNet shows five spaces, minimum 4,214 SF, and combination options up to 51,960 SF.
A 4,730-square-foot 14th-floor sublet through January 2028 adds flexibility. It supports leasing strategies across full-floor, stacked-block, and smaller-user demand segments now.
Assessment
OceanSound’s expansion at 450 Park Avenue added momentum to one of Midtown’s closely watched office towers.
The lease reinforced the property’s appeal to finance and investment tenants seeking Park Avenue positioning and institutional ownership.
With major firms already in place and remaining availability limited, the building continued to tighten.
The transaction also reflected persistent demand for high-quality Manhattan office space, even as broader market conditions remained uneven and scrutiny over leasing decisions intensified.
