Real Estate Investment Audit

Mareterra

An ultra-prime opportunity assessment of Monaco's reclaimed eco-district — status, pricing, risk and comparables.

DistrictL'Anse du Portier · Larvotto
DeveloperSAM L'Anse du Portier
StatusDelivered Dec 2024
PreparedJune 2026
The Verdict

A trophy store of value, bought at full price.

Not an "opportunity" in the value sense. Whether Mareterra is good depends entirely on the game you are playing — and the two games point in opposite directions.

If preserving capital

For prestige, security and residency optionality, paying for the hardest asset in the hardest market is defensible — even strong.

If seeking return

Highest €/m² on earth, at a cyclical high, for a ~2.5–3% net yield. No margin of safety. You pay for certainty and scarcity, by the basis point.

01 — Current Status

Built, delivered, handed over.Live district

Mareterra is finished, not on plan. Inaugurated by Prince Albert II on 4 December 2024, and described as a functioning district — marina, park, promenade, retail and restaurants in place. The six-hectare strip was structurally complete by December 2019.

6 ha
Reclaimed from the sea (+3% of territory)
~€2bn
Total cost, privately funded
120
Residences — 110 apts + 10 villas*
4
Star architects: Piano, Foster, Ando, Boeri

*Commonly cited official figure. Some guides count ~124 total units; Bloomberg references "114 waterfront homes." Treat the exact count as approximate. Masterplan by Valode & Pistre.

02 — Sell-out Status

Primary market gone.Resale / off-market only

€16M–€500MOriginal primary range across the 114 waterfront homes, first listed off-plan in 2017

The developer's sell-down is effectively complete — units were absorbed years before delivery. What trades today is the secondary market, brokered privately.

In 2025, Larvotto logged 13 resales totalling €851.9M, attributed by IMSEE to Mareterra units entering the secondary market (Observatory 2025). Off-market, "in strict confidence" is now common listing language — itself a signal that primary stock is exhausted.

03 — Pricing

You pay ~2× the principality.

The "new-district" premium is already fully embedded. Per-m² benchmarks, indicative — ultra-prime pricing is confidential and small-sample.

Monaco resale avg2024
€51,967
Monaco revised index2025
€57,569
Larvotto district2025
€71,167
Mareterra · Le Renzotypical
~€100,000
Mareterra · primevillas / penthouses
up to €150,000
€ per m² · scale to €150,000 · new-build mean ticket 2024 ≈ €36.4M · example live Le Renzo 3-bed resale > €60M
04 — Investment Analysis

The case, both ways.

Bull case
  • Structural scarcity. Only meaningful new land in a generation; reclaimed land is >¼ of the territory.
  • Track record. ~5% annual growth over 30 years; Knight Frank forecasts ~4% for 2026.
  • Safe haven. Tax, security and stability underpin durable resilience.
Bear case
  • You buy the premium. At ~2× average, the narrative is priced in; out-performance needs the premium to keep expanding.
  • Thin liquidity. <70 new-build deals in 2025; exits need another UHNWI.
  • Friction. ~6% costs (individual/SCI) to ~9% (other) — though zero income, CGT, wealth & property tax.
The yield
2.5–3%

Realistic net yield (gross ~2.87%). Trophy units yield less and are rarely let. With mortgages at 3–4%, financed carry is negative.

05 — Key Risk

The grey-list overhang.

Monaco's FATF status is the live variable most brochures gloss over. It hasn't broken prices — but it is unresolved, and the resolution date is an asymmetric event.

June 2024
Grey-listed

FATF places Monaco under increased monitoring for AML/CFT enforcement gaps.

June 2025
EU high-risk list + favourable review

Automatically added to the EU high-risk third-country list; FATF notes progress but not clearance.

February 2026 · Now
Still listed

As of the Feb 2026 plenary, Monaco remains on the list. Practical effect: account opening now 10–14 weeks, stricter Source-of-Wealth files.

June 2026
Removal decision expected

The pivotal date — delisting reopens the market to compliance-constrained institutional capital.

The asymmetry

Delisting = tailwind (unlocks institutional & large-fortune buyers barred from grey-listed jurisdictions). Failure = reputational drag. Mareterra itself has surfaced in money-laundering-scrutiny coverage. The one tactical edge is positioning before a confirmed June 2026 exit.

06 — Comparables

Top of the stack, least history.

Mareterra commands a premium over every established peer — for newness and architecture, none of it yet tested through a full resale cycle.

Mareterra
Larvotto · 2024

€100k–150k/m². New land, star architects, eco-credentials. The trophy — and the price.

The benchmark, unproven.
Tour Odéon
La Rousse

170m twin tower; flats €20–50M; legendary sky penthouse. Lower €/m², proven resale market.

The seasoned alternative.
Bay House · Testimonio II
Larvotto

54 flats (250–1,000m²) + 5 villas. Recent ultra-prime stock; generally lower entry than Mareterra's headline.

Direct new-build rival.
Carré d'Or
Monte Carlo

~€54,000/m² avg, higher for icons. The prestige postcode with the deepest liquidity.

No "new-district" risk.
07 — Bottom Line

A fully-priced, high-quality store of value.

Built, inaugurated, primary-sold-out. The only entry today is resale or off-market, at €100k–150k/m². For an UHNWI parking capital with indifference to yield, it is a legitimate trophy. As a return-driven play, it is expensive money — sub-3% yield, peak pricing, thin liquidity, grey-list cloud until June 2026.

The one tactical edge

Positioning before a confirmed June 2026 delisting front-runs the institutional reopening — a bet on a regulatory date, not on the bricks.

Where to source resale / off-market
Savills Monaco
Monte-Carlo Sotheby's
Petrini Exclusive
Balkin Real Estate
La Costa Properties
Monaco Properties
SAM L'Anse du Portier · mareterra.com

Sources — IMSEE Real Estate Observatory 2025 (pub. Feb 2026); Bloomberg (Apr 2026); FATF/MONEYVAL plenary statements (Feb 2026); Knight Frank & Savills commentary; Monaco Tribune/Riviera Radio on IMSEE indices; SAM L'Anse du Portier. Figures latest available as of June 2026, indicative only.

Research-based analysis — not personalised investment, legal or tax advice. For a transaction at this scale, engage a Monaco-licensed agent and a tax/structuring adviser.