Full-Throttle Around Brantingham: Seadoo SPI's at Grant Island

GREIG WATER ACTIVITIES FIELD GUIDE

Full-Throttle Around Brantingham: Seadoo SPI's at Grant Island

Jetski rentals on Brantingham Lake for one rider, available from one to eight hours with gas included and delivery options—this guide explains booking, rules, and what to expect.

Full-Throttle Around Brantingham: Seadoo SPI's at Grant Island.

Duration
Contact operator
Location
Greig
Operator
Grant Island Rentals LLC
Category
Water Activities
Robert Eric Crews
Founder & Editor, The Adventure Collective
Published Verified

Experience the thrill of riding a Seadoo SPI around the stunning Brantingham Lake, operating from Grant Island with rentals offered for durations from one to eight hours; reservations are by appointment only and advance booking is required.

Highlights

Outing Highlights

THE ROUTE

A Single-Rider Loop on Brantingham Lake

This rental is built for one person to ride a Seadoo SPI around Brantingham Lake; the operator can deliver the watercraft to any location on the lake, making launches flexible for a solo rider eager to explore the water.

THE SERVICE

Flexible Durations, Gas Included

Rentals run from one hour up to eight hours with gas supplied; choose the rental length that fits your day and expect the price scale to reflect hour-by-hour options.

THE RULES

Age, Safety Certificates and Deposit

All drivers must be 21 or older, present ID and a Boater Safety Course completion certificate, sign a waiver and attend a 10-minute orientation; the operator takes a $450 authorization charge as security and enforces a strict refund policy.

What the day feels like

What the Ride Feels Like

The experience centers on a single person taking a Seadoo SPI out onto Brantingham Lake for a self-directed session—from short one-hour bursts to full-day eight-hour rentals—with the practicalities of orientation, waiver signing and certificate verification handled before launch.

Suitability

Who it's for

Who this rental fits—and who should look elsewhere.

1
Solo AdultsIdeal for a single, licensed driver aged 21 or older who holds a Boater Safety Course certificate and prefers a self-contained, single-rider jetski rental.
2
First-Time RidersAccessible if you complete an approved Boater Safety Course (courses can be taken online in a few hours) and are comfortable riding alone after the mandatory 10-minute orientation.
3
Out-of-Town GuestsOut-of-town visitors can use delivery anywhere on Brantingham Lake and may arrange parking at $5 per hour per standard spot subject to availability—confirm parking before arrival.
4
Families with Multiple RidersNot a fit if you need a multi-rider craft: each jetski is for one person only and each driver must meet the age and certification requirements.

Practical planner

Details to review before reserving

Timing & Rates

Rentals are offered in one- to eight-hour blocks with tiered pricing (1 hour $175; 2 hours $275; 3 hours $400; 4 hours $525; 5 hours $650; 6 hours $775; 7 hours $875; 8 hours $975).

What to Bring

Bring government-issued ID and proof of a Boater Safety Course completion; be prepared to sign a waiver and attend a 10-minute orientation. Gas is included; return the craft with an empty tank.

Meeting Point & Delivery

The operator is based at 7925 Grant Isle, Brantingham NY 13312, and can deliver the jetski to any location on Brantingham Lake.

Booking & Cancellation

All reservations are by appointment only; make reservations at least a day ahead as same-day online bookings are not available. The operator’s refund policy is strict: sales are final, though dates/times can be rescheduled with at least seven days’ notice.

Booking Notice

Review cancellation policies before reserving.

Frequently asked questions

Planning Your Outing

Do I need to book in advance?

Yes. All reservations are by appointment only and you should make your reservation at least a day ahead; same-day online bookings are not available.

What are the age and certification requirements to drive?

All drivers must be 21 years of age or older, present ID and have a Boater Safety Course certificate of completion.

How long can I rent a jetski and what does it cost?

Rentals range from 1 hour ($175) up to 8 hours ($975), with tiered pricing for each hour increment.

Is gas included?

Yes—gas is included with the rental; the operator asks that you bring the gas back empty.

Is there a security deposit or authorization charge?

The operator will take a $450 authorization charge; if the vehicle is returned without damage or penalties, the charge will be released within 48 hours. Damages or rule violations may result in charges.

Can the jetski be delivered to me?

Yes. The operator can deliver to any location on Brantingham Lake.

What is the operator’s refund policy?

All sales are final under the operator’s strict refund policy; however, dates and/or times may be rescheduled if given at least seven days’ notice.

Do I need to sign anything before I go out?

Yes—anyone who will be driving must sign a waiver and be present for the 10-minute orientation before operating the jetski.

Is parking available for non-local guests?

Parking is available at $5 per hour per standard-size parking spot, subject to availability—check with the operator before arriving if you will need parking.