IOESSA
Class CHeavy displacementCruiser/Racer

IOESSA — GRE 1207

Model: Discovery 300

DROMOR YACHTSEd Dubois

Updated

IOESSA (GRE 1207) is a Discovery 300 designed by Ed Dubois and built by DROMOR YACHTS. She has been racing since 2023. She sails with a larger sail plan and a deeper keel than most Discovery 300s. Against a typical Discovery 300 she is quicker upwind in light air, on a beam reach and downwind.

IOESSA GRE 1207 - Ed Dubois - DROMOR YACHTS

Racing record

Races with at least six boats

17

Race starts

0

Wins

0%

Podiums

13

Race Edge

Discovery 300: 5

636.1s/mile

Rating 2026

Race Edge by wind strength: how much she delivers beyond her rating, compared with the other boats in her class.

Under 10 kn16
10–16 kn51
Over 16 kn29
IOESSAA typical Discovery 300How Race Edge works
Compare with another boat

Length

9.96 m

32′ 8″

Beam

3.24 m

Draft

1.67 m

Displacement

4.9 t

Sail area

49 m²

On the podium

Where IOESSA finishes when she goes racing.

On the podium

0%

of 17 starts · Discovery 300 fleet: 15%

Wins

0%

Wins0%0
Seconds0%0
Thirds0%0
Off the podium100%17

Regattas

Every regatta we found with IOESSA on the start line, named as the organisers publish them.

  • Greece6η Regatta Σαρωνικού2026121710
  • Greece¨16ο Athens Trophy 2026¨2026181213
  • Greece"Αιγινα20261432
  • GreeceΚασίδι202615
  • Greece"Πορος 2025"202545

Is there a race missing?Send us the results and we will add them here.

Report a regatta

Round the buoys, or offshore

A short windward-leeward and a night at sea ask different things of a boat.

Round the buoys

—

Not enough data yet: 1 race of 10 NM or less carry a published distance.

Offshore & coastal

0%

of these races end on the podium

16 races over 10 NM

Who she races against

The boats IOESSA meets most often on the start line. The bar shows how those meetings ended, on corrected time.

IOESSA aheadRival ahead
POSEIDON · First 3855%ahead in 6 of 11 meetings
ILIADA · Sun Odyssey 33.160%ahead in 6 of 10 meetings
FILIRA · Grand Soleil 37 (Design)22%ahead in 2 of 9 meetings
EVITA K · Atlantic 3188%ahead in 7 of 8 meetings
HARA · Dromor 2675%ahead in 6 of 8 meetings
Show more rivals (1)
ANEMOLIA · Catalina 320100%ahead in 8 of 8 meetings
Other competitors (124)

Met too few times for a figure.

BULLDOG (First 35 (Berret), 7 meetings), SUENO (Grand Soleil 39 (Jézéquel), 7 meetings), THALASSINOS AETOS (Gib Sea 334, 7 meetings), KAMAYA V (Sun Odyssey 34.2, 7 meetings), ESTERA (Cyclades 43.4, 7 meetings), ONAR (Oceanis 43, 7 meetings), ADRIFT (Gib Sea 312, 7 meetings), NISTERI (Sun Odyssey 45, 7 meetings), KATE MARY V (Sun Odyssey 32, 7 meetings), MARILENA (Fandango 33, 7 meetings), SALTY (First 35 (Berret), 7 meetings), VIKOULA (Hallberg Rassy 352, 7 meetings), HARIS (Discovery 300, 6 meetings), ANNA (Gib Sea 402, 6 meetings), ALDEBARAN (Comet 850, 6 meetings), SAGITTARIUS (First 30 (Mauric), 6 meetings), AFROESSA (Sun Fast 3200, 6 meetings), LYGEIA (Sun Odyssey 32, 6 meetings), SKORPIOS (Dromor 26, 6 meetings), NINOU (Gin Fizz, 6 meetings), ARGONAFTIS II (First 32, 6 meetings), ISIDOROS (First 28, 5 meetings), CISSI (Maxi 84, 5 meetings), FOXTROT (Dufour 390, 5 meetings), BLUE LINE (Sun Shine 36, 5 meetings), FAETHON (Moody 30, 5 meetings), ALITAKI (Dufour 30, 5 meetings), GALAZIOS ANEMOS (Feeling 920, 5 meetings), AGIA PARASKEVI (Oceanis 381, 5 meetings), TRITON (Sun Odyssey 40, 5 meetings), ALMYRA (Sun Odyssey 36.2, 4 meetings), HARA TON ANGELON IV (Elan 45, 4 meetings), ALHIMISTIS ONEIROU (Melody, 4 meetings), VENTUS (Sun Fast 37, 4 meetings), NEUSIS (Condor, 4 meetings), FILIRA (Contest 250, 4 meetings), TOMAHAWK (First 45 (Farr), 4 meetings), DIAS (First 38, 4 meetings), ARTEMIS (Nek 26, 4 meetings), OLYMPIA (Dufour 30, 4 meetings), MARIANNA (Salona 37, 3 meetings), CHAMOGELO (Grand Soleil 34 (Finot), 3 meetings), FIRST LADY (First 32, 3 meetings), FLORANNA III (Hanse 315, 3 meetings), ARIADNI II (Discovery 300, 3 meetings), LEONESSA (Hanse 430, 3 meetings), CHRISTINA (Contest 250, 3 meetings), HURRICANE (Gin Fizz, 3 meetings), GIORGIO (Elan 40, 3 meetings), MAJO (Sweden Yachts 45, 3 meetings), SELINI (Hallberg-rassy 382, 3 meetings), DENNIS DUE (Oceanis 38.1, 3 meetings), ARGO (Oceanis 423, 3 meetings), AERIKO (Hanse 400, 3 meetings), ADRA (First 31.7, 3 meetings), AURA (Dufour 325, 3 meetings), SKY (Atlantic 44, 3 meetings), ASSANTE (Bavaria 36, 3 meetings), NEPHELE (First 30 (Berret), 3 meetings), PENY LANE (Oceanis 393, 3 meetings), ERODIOS (Dromor 26, 3 meetings), KALIPSO (Bavaria Holiday 35, 3 meetings), GITANA (Feeling 39, 3 meetings), SOTIRIS JUNIOR (Nereis 30, 3 meetings), PECHLIVANIS (Bavaria 31, 3 meetings), SAITA (Sun Odyssey 33.1, 3 meetings), FISKARDO (Oceanis 423, 3 meetings), EINAR (Hanse 470e, 3 meetings), GULIO (Canados 37, 3 meetings), JULIANNA (Moody 34, 3 meetings), MARSO (Dufour 34 (Dufour), 3 meetings), SOPHIA (Nereis 32, 3 meetings), AGAPI (Dufour 40, 3 meetings), MIMOSA (Dehler 35 (Voogd), 3 meetings), HOY HOY (North Wind 435, 3 meetings), DELOS (Sun Shine 36, 3 meetings), PERAN (Najad 320, 3 meetings), SHOGUN (Oceanis 390, 3 meetings), APNEA (Oceanis 393, 3 meetings), NIRIIDA (Voyage 11.2, 3 meetings), TRITON (Feeling 920, 3 meetings), EL PRINE (Caribbean 40, 3 meetings), BELL' ANGIOLINA (Brigand 9.5, 3 meetings), SARAVA (Alpa 34, 3 meetings), TO KEFI MAS (Elan 410, 2 meetings), ANNA MARIA II (Atlantic 31, 2 meetings), IKAROS (Dufour 35, 2 meetings), NEMESIS (First 42 (Farr), 2 meetings), SOUPIA (Bavaria 40, 2 meetings), CRETE (Oceanis 393, 2 meetings), AGERI (Triton 48, 2 meetings), MARGARITA S (Oceanis 423, 2 meetings), KUROSHIO (Dufour 33, 2 meetings), ANDIAMO (Oceanis 46.1, 2 meetings), JEANNE BONNE (Dromor 26, 2 meetings), CHRISTINA II (Dehler 38 (Stadt), 2 meetings), ZANTIO (Rush 31, 2 meetings), ARIA (Sun Odyssey 33 (Andrieu), 2 meetings), NALU (Moody 34, 2 meetings), STAVENTO (Maxi 95, 1 meeting), ANEMOS (Dufour 31, 1 meeting), OTIUM (Ecume De Mer, 1 meeting), INCENTIVE (Carter 33, 1 meeting), DAS BOOT (Optima 101, 1 meeting), ANEMOS (Dufour 34 (Dufour), 1 meeting), MON FLIRT (Sun Fast 40, 1 meeting), ASTARTE (Gin Fizz, 1 meeting), DAMASKINI (Sun Odyssey 26, 1 meeting), EVRIALI (Dehler 38 (Stadt), 1 meeting), ASTRAPI II (First 41, 1 meeting), MAREVA (Atlantic 31, 1 meeting), KYMO II (Discovery 300, 1 meeting), YPERION (Dufour 30, 1 meeting), NEXUS (X-402, 1 meeting), LAIDA 2 (Ecume De Mer, 1 meeting), SOUKOU (Kelt 5.50, 1 meeting), GIALABOUKOS (Westerly Renown, 1 meeting), PELISSIMA (First 38, 1 meeting), BRAVA (Feeling 109, 1 meeting), SUN LION (Sun Odyssey 34.2, 1 meeting), PILEFS (Hallberg Rassy 352, 1 meeting), DEO VOLENTE (Sun Odyssey 40, 1 meeting), ALEX (Dufour 30, 1 meeting), THARRINOS (Sun Odyssey 37.1, 1 meeting)

How IOESSA compares with a typical Discovery 300

Her main 2026 measurements against the middle of the fleet: one boat per sail number, the latest full-crew configuration with spinnaker, Discovery 300s measured since 2025.

Above the line she is quicker than a typical Discovery 300; below, slower. Move the wind: plenty of boats sit on one side in the light and the other when it blows.

True wind
Upwind+0.30 kn
Beam reach+0.10 kn
Broad reach+0.15 kn
Downwind+0.29 kn

Full width is 0.4 kn either way.

At 10 knots she is quicker than a typical Discovery 300 on the upwind.

Speed at every angle

IOESSA in blue, a typical Discovery 300 dashed.

30°60°90°120°150°WIND

IOESSA in blue, a typical Discovery 300 dashed; green marks the closest useful beat and the deepest run worth sailing.

Other Discovery 300s racing

Every sister ship with results on TackRegatta, the most recently raced first.

More about the Discovery 300

Speed at every angle, Race Edge, the race record of the whole fleet and how the boats are set up.

Explore the design

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