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Extra Space Storage

99 Mariner Dr, Southampton NY, 11968

(888) 291-4801 Call Now!

Reserve a storage unit with Extra Space Storage

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    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
    (888) 291-4801 Call Now! Call now for availability
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    • Indoor
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    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
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    • Indoor
    • First Floor Access
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  • Facility Unit Image

    4 x 10 Unit Info Icon

    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
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    5 x 5 Unit Info Icon

    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
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    • Indoor
    • First Floor Access
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    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
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    5 x 10 Unit Info Icon

    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
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    • Indoor
    • Elevator Access
    • Upper Floor
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    • Indoor
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    5 x 15 Unit Info Icon

    • Climate Controlled
    • Indoor
    • First Floor Access
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    6 x 20 Unit Info Icon

    • Indoor
    • Elevator Access
    • Upper Floor
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  • Facility Unit Image

    6 x 20 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
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  • Facility Unit Image

    6 x 20 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
    • Enclosed
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  • Facility Unit Image

    7 x 9 Unit Info Icon

    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
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    7 x 11 Unit Info Icon

    • Climate Controlled
    • Indoor
    • First Floor Access
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    7 x 20 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
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  • Facility Unit Image

    7 x 20 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
    • Enclosed
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    8 x 10 Unit Info Icon

    • Indoor
    • Elevator Access
    • Upper Floor
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  • Facility Unit Image

    8 x 20 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
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  • Facility Unit Image

    8 x 20 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
    • Enclosed
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  • Facility Unit Image

    9 x 10 Unit Info Icon

    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
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    9 x 14 Unit Info Icon

    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
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    9 x 18 Unit Info Icon

    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
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  • Facility Unit Image

    9 x 20 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
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  • Facility Unit Image

    9 x 20 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
    • Enclosed
    (888) 291-4801 Call Now! Call now for availability
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  • Facility Unit Image

    10 x 5 Unit Info Icon

    • Climate Controlled
    • Indoor
    • First Floor Access
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  • Facility Unit Image

    10 x 5 Unit Info Icon

    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
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  • Facility Unit Image

    10 x 10 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
    (888) 291-4801 Call Now! Call now for availability
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  • Facility Unit Image

    10 x 10 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
    • Enclosed
    (888) 291-4801 Call Now! Call now for availability
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  • Facility Unit Image

    10 x 10 Unit Info Icon

    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
    (888) 291-4801 Call Now! Call now for availability
    Reserve for FREE
  • Facility Unit Image

    10 x 10 Unit Info Icon

    • Indoor
    • First Floor Access
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    10 x 11 Unit Info Icon

    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
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  • Facility Unit Image

    10 x 11 Unit Info Icon

    • Indoor
    • Elevator Access
    • Upper Floor
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    10 x 11 Unit Info Icon

    • Indoor
    • First Floor Access
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    10 x 15 Unit Info Icon

    • Indoor
    • Elevator Access
    • Upper Floor
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  • Facility Unit Image

    10 x 15 Unit Info Icon

    • Climate Controlled
    • Indoor
    • First Floor Access
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  • Facility Unit Image

    10 x 18 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
    (888) 291-4801 Call Now! Call now for availability
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  • Facility Unit Image

    10 x 18 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
    • Enclosed
    (888) 291-4801 Call Now! Call now for availability
    Reserve for FREE
  • Facility Unit Image

    10 x 20 Unit Info Icon

    • Climate Controlled
    • Indoor
    • First Floor Access
    (888) 291-4801 Call Now! Call now for availability
    Reserve for FREE
  • Facility Unit Image

    10 x 20 Unit Info Icon

    • Climate Controlled
    • Indoor
    • Elevator Access
    • Upper Floor
    (888) 291-4801 Call Now! Call now for availability
    Reserve for FREE
  • Facility Unit Image

    10 x 20 Unit Info Icon

    • Indoor
    • Elevator Access
    • Upper Floor
    (888) 291-4801 Call Now! Call now for availability
    Reserve for FREE
  • Facility Unit Image

    11 x 15 Unit Info Icon

    • Indoor
    • Elevator Access
    • Upper Floor
    (888) 291-4801 Call Now! Call now for availability
    Reserve for FREE
  • Facility Unit Image

    11 x 18 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
    (888) 291-4801 Call Now! Call now for availability
    Reserve for FREE
  • Facility Unit Image

    11 x 18 Unit Info Icon

    • Drive Up Access
    • Roll Up Doors
    • Keypad Access
    • Enclosed
    (888) 291-4801 Call Now! Call now for availability
    Reserve for FREE
Office Hours
  • Mon-Sun 06:00 AM - 10:00 PM
Access Hours
  • Mon-Sun 06:00 AM - 10:00 PM
Facility Amenities
Customers Review
  • Lennox E.

    September 05, 2023 - From Extra Space

    I found that the place was nice and clean. Well, lit and wheels on the Cart all worked. Good place

  • Debbie G.

    August 09, 2023 - From Extra Space

    Extremely Helpful, very polite and patient. Facilities are clean and neat. Thank you for all the help!

  • Dr. S.

    June 14, 2023 - From Extra Space

    The staff is AMAZING. Especially the young man who looks like Ben Affleck. What a great help he was!

  • LO I.

    June 12, 2023 - From Extra Space

    Would like to thank Jarred for being so helpful and accommodating. Great place with friendly staff Anthony and Jarred are always there to help.